Home / 11,951.52-17,932.76-4,557.65

Finding the Fourth Proportional to 11,951.52, 17,932.76 and 4,557.65

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Solution

The fourth proportional to 11,951.52, 17,932.76 and 4,557.65 is: 6,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.52 : 17,932.76 = 4,557.65 : x
  2. Step 2: Convert to fraction form
    11,951.52/17,932.76 = 4,557.65/x
  3. Step 3: Cross multiply
    11,951.52x = 17,932.76 × 4,557.65
  4. Step 4: Simplify right side
    11,951.52x = 81,731,131.16
  5. Step 5: Solve for x
    x = 81,731,131.16/11,951.52
  6. Step 6: Final answer
    x = 6,838.56

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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.