Home / 12,792.20-17,653.22-7,203.24

Finding the Fourth Proportional to 12,792.20, 17,653.22 and 7,203.24

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Solution

The fourth proportional to 12,792.20, 17,653.22 and 7,203.24 is: 9,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.20 : 17,653.22 = 7,203.24 : x
  2. Step 2: Convert to fraction form
    12,792.20/17,653.22 = 7,203.24/x
  3. Step 3: Cross multiply
    12,792.20x = 17,653.22 × 7,203.24
  4. Step 4: Simplify right side
    12,792.20x = 127,160,380.43
  5. Step 5: Solve for x
    x = 127,160,380.43/12,792.20
  6. Step 6: Final answer
    x = 9,940.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.