Home / 11,472.12-15,824.34-6,755.46

Finding the Fourth Proportional to 11,472.12, 15,824.34 and 6,755.46

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Solution

The fourth proportional to 11,472.12, 15,824.34 and 6,755.46 is: 9,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.12 : 15,824.34 = 6,755.46 : x
  2. Step 2: Convert to fraction form
    11,472.12/15,824.34 = 6,755.46/x
  3. Step 3: Cross multiply
    11,472.12x = 15,824.34 × 6,755.46
  4. Step 4: Simplify right side
    11,472.12x = 106,900,695.90
  5. Step 5: Solve for x
    x = 106,900,695.90/11,472.12
  6. Step 6: Final answer
    x = 9,318.30

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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.