Home / 11,934.47-17,909.93-4,143.29

Finding the Fourth Proportional to 11,934.47, 17,909.93 and 4,143.29

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Solution

The fourth proportional to 11,934.47, 17,909.93 and 4,143.29 is: 6,217.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.47 : 17,909.93 = 4,143.29 : x
  2. Step 2: Convert to fraction form
    11,934.47/17,909.93 = 4,143.29/x
  3. Step 3: Cross multiply
    11,934.47x = 17,909.93 × 4,143.29
  4. Step 4: Simplify right side
    11,934.47x = 74,205,923.60
  5. Step 5: Solve for x
    x = 74,205,923.60/11,934.47
  6. Step 6: Final answer
    x = 6,217.78

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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.