Home / 12,553.08-17,318.31-7,246.87

Finding the Fourth Proportional to 12,553.08, 17,318.31 and 7,246.87

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Solution

The fourth proportional to 12,553.08, 17,318.31 and 7,246.87 is: 9,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.08 : 17,318.31 = 7,246.87 : x
  2. Step 2: Convert to fraction form
    12,553.08/17,318.31 = 7,246.87/x
  3. Step 3: Cross multiply
    12,553.08x = 17,318.31 × 7,246.87
  4. Step 4: Simplify right side
    12,553.08x = 125,503,470.72
  5. Step 5: Solve for x
    x = 125,503,470.72/12,553.08
  6. Step 6: Final answer
    x = 9,997.83

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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.