Home / 11,934.72-16,470.08-6,629.76

Finding the Fourth Proportional to 11,934.72, 16,470.08 and 6,629.76

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Solution

The fourth proportional to 11,934.72, 16,470.08 and 6,629.76 is: 9,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.72 : 16,470.08 = 6,629.76 : x
  2. Step 2: Convert to fraction form
    11,934.72/16,470.08 = 6,629.76/x
  3. Step 3: Cross multiply
    11,934.72x = 16,470.08 × 6,629.76
  4. Step 4: Simplify right side
    11,934.72x = 109,192,677.58
  5. Step 5: Solve for x
    x = 109,192,677.58/11,934.72
  6. Step 6: Final answer
    x = 9,149.16

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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.