The ratio of a model building's dimensions to the building's actual dimensions is 1/52. If the height of the model is 15 inches, what is the height of the actual building in feet?

Respuesta :

Set this up as a proportion with the model stuff on top and actual building stuff on bottom.  [tex] \frac{1}{52} = \frac{15}{x} [/tex].  Cross multiply to get x = 780.  The actual building is 780 inches.  In feet that is 65.

The height of the building is 65 feet.

We are given the ratio to which the model is designed to the actual building in inches.

Data given;

  • ratio = 1:52
  • height of the model = 15in

Ratio

The ratio of the model to the actual building is 1:52,

If, the model is 15 inches, it implies that the actual building is (15 * 52) inches.

Height of the building is

[tex]15 * 52 = 780in[/tex]

The height of the building is 780in.

Convert from inches to feet

Now we have to convert the height in inches to feet

1 foot = 12 inches

x foot = 780 inches

[tex]x = 780/ 12 = 65ft[/tex]

The height of the building is 65 feet.

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