A color photograph is 5 inches wide and 3 inches tall. If you want to make an enlargement of this photograph that is 10.8 inches​ tall, how wide will the enlargement​ be?

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The enlargement will be
  
enter your response here inches wide.

1 answer

The enlargement will be 18 inches wide.

To find the width of the enlargement, you can use proportions.

Original width: 5 inches
Original height: 3 inches
Desired height: 10.8 inches

Proportion: Original width / Original height = Enlarged width / Desired height

5 / 3 = Enlarged width / 10.8

Enlarged width = (5/3) * 10.8
Enlarged width = 18 inches

Therefore, the enlargement will be 18 inches wide.