Home / 12,540.24-17,305.32-6,951.12

Finding the Fourth Proportional to 12,540.24, 17,305.32 and 6,951.12

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Solution

The fourth proportional to 12,540.24, 17,305.32 and 6,951.12 is: 9,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540.24 : 17,305.32 = 6,951.12 : x
  2. Step 2: Convert to fraction form
    12,540.24/17,305.32 = 6,951.12/x
  3. Step 3: Cross multiply
    12,540.24x = 17,305.32 × 6,951.12
  4. Step 4: Simplify right side
    12,540.24x = 120,291,355.96
  5. Step 5: Solve for x
    x = 120,291,355.96/12,540.24
  6. Step 6: Final answer
    x = 9,592.43

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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.