Since dry practice is our main practice method right now, it’s useful to know how to scale targets since most of us don’t have long distances available.
Math is like going to the gym for your brain. It sharpens your mind.
“Claude, how do I shrink an IDPA target so it appears as though it is 25 yards away when my dry fire range is 7 yards? Thank you.”
Many people think they will never use elementary algebra once they leave high school but sometimes it still comes in handy. The above question can be simply solved through the use of cross-multiplication.
The first part of the problem is we have to determine the ratio of the two distances and then solve for the correct size (height) of the target. The IDPA target is 30 inches tall and would be full size at 25 yards. How tall would it be at seven yards?
| Height | 30 | x |
| yards | 25 | 7 |
Cross multiplication means the product of the upper left and lower right will be…
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tacticalprofessor 