Is there a picture that goes with the question ?
This question is incomplete.
Answer:
here,x=123, is the answer.
Answer:
4 inches
Step-by-step explanation:
Actual dimensions:
Length = 15 feet
Width = 12 feet
Scale dimensions:
Length = 5 inches
Width = x inches
Write a proportion:

Through trial and error:
(7x-6)(3x-2)
Usually it works best to test out a number of possibilities :)