Home / 12,524.20-17,280.56-7,487.58

Finding the Fourth Proportional to 12,524.20, 17,280.56 and 7,487.58

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Solution

The fourth proportional to 12,524.20, 17,280.56 and 7,487.58 is: 10,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.20 : 17,280.56 = 7,487.58 : x
  2. Step 2: Convert to fraction form
    12,524.20/17,280.56 = 7,487.58/x
  3. Step 3: Cross multiply
    12,524.20x = 17,280.56 × 7,487.58
  4. Step 4: Simplify right side
    12,524.20x = 129,389,575.44
  5. Step 5: Solve for x
    x = 129,389,575.44/12,524.20
  6. Step 6: Final answer
    x = 10,331.16

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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.