Home / 11,446.86-17,167.52-3,126.92

Finding the Fourth Proportional to 11,446.86, 17,167.52 and 3,126.92

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Solution

The fourth proportional to 11,446.86, 17,167.52 and 3,126.92 is: 4,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446.86 : 17,167.52 = 3,126.92 : x
  2. Step 2: Convert to fraction form
    11,446.86/17,167.52 = 3,126.92/x
  3. Step 3: Cross multiply
    11,446.86x = 17,167.52 × 3,126.92
  4. Step 4: Simplify right side
    11,446.86x = 53,681,360.17
  5. Step 5: Solve for x
    x = 53,681,360.17/11,446.86
  6. Step 6: Final answer
    x = 4,689.61

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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.