Solving Scale Problems Using Proportions Answers

Yolanda is planning to put a pool in her backyard. The scaled model below gives the reduced measures for diameter and depth. Not drawn to scaleThe yard space is large enough to have a pool that has a diameter of 27 feet. If Yolanda wants to keep the pool in proportion to the model, what will be the depth of the pool?

Consider the enlargement of the pentagon. Not drawn to scaleWhat is the value of x, rounded to the nearest tenth?

The perimeter of the original rectangle on the left is 30 meters. The perimeter of the reduced rectangle on the right is 24 meters. Not drawn to scaleWhat is x, the width of the original rectangle on the left? Round to the nearest hundredth if necessary.

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. The original photo was 800 pixels wide by 600 pixels high. The new photo will be 1,260 pixels wide. What will the new height be?

Parker is planning to build a playhouse for his sister.The scaled model below gives the reduced measures for width and height.Not drawn to scaleThe yard space is large enough to have a playhouse that has a width of 3.5 meters. If Parker wants to keep the playhouse in proportion to the model, what cross multiplication of the proportion should he use to find the height?

Bobby knows that the perimeter of the original rectangle is 120 meters. He also knows that the perimeter of the reduced rectangle is 30 meters and the reduced length is 9 meters. Not drawn to scaleWhat is the width of the original rectangle?

Malik considers the enlargement of the trapezoid. Not drawn to scaleWhat is the correct cross product that he should use to solve for the missing dimension?

Julio considers the reduction of the triangle. Not drawn to scaleWhat is the correct cross product that he should use to solve for the missing dimension?

Paolo was asked to find the original dimension of an enlarged pentagon. His solution is shown next to the pentagons.Write a proportion. Cross multiply. Solve for x. Not drawn to scale What error did Paolo make in his solution?

The small rectangle was enlarged to create the big rectangle. Not drawn to scaleWhat is the missing measure on the big rectangle?