Find ratios between the corresponding parts of the pyramids.
Find ratios of heights:
(Substitute )
(Simplify)
The scale factor is 4 : 3.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1a39daeb4dcf26bc720a053a1afacca1.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=753ef6360ee019157aef6d8057556bc7.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=80cbc1f800ba5f1be9694f1bb4559300.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e10effa2f7e16178494ab50c12ed10fb.png\")
(Simplify)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")