Home / 10,170.82-15,246.51-6,463.86

Finding the Fourth Proportional to 10,170.82, 15,246.51 and 6,463.86

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Solution

The fourth proportional to 10,170.82, 15,246.51 and 6,463.86 is: 9,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.82 : 15,246.51 = 6,463.86 : x
  2. Step 2: Convert to fraction form
    10,170.82/15,246.51 = 6,463.86/x
  3. Step 3: Cross multiply
    10,170.82x = 15,246.51 × 6,463.86
  4. Step 4: Simplify right side
    10,170.82x = 98,551,306.13
  5. Step 5: Solve for x
    x = 98,551,306.13/10,170.82
  6. Step 6: Final answer
    x = 9,689.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.