Posted by Allisyn on .
An object 3.9 feet tall casts a shadow that is 11.7 feet long. How long in feet would the shadow be for an object which is 14.4 feet tall?

Math 
Ms. Sue,
Use a proportion. Cross multiply and solve for x.
3.9/11.7 = 14.4/x
3.9x = 168.48
x = 43.2 feet