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Finding the Fourth Proportional to 11,951.38, 17,926.93 and 5,372.92

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Solution

The fourth proportional to 11,951.38, 17,926.93 and 5,372.92 is: 8,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.38 : 17,926.93 = 5,372.92 : x
  2. Step 2: Convert to fraction form
    11,951.38/17,926.93 = 5,372.92/x
  3. Step 3: Cross multiply
    11,951.38x = 17,926.93 × 5,372.92
  4. Step 4: Simplify right side
    11,951.38x = 96,319,933.87
  5. Step 5: Solve for x
    x = 96,319,933.87/11,951.38
  6. Step 6: Final answer
    x = 8,059.31

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1.5x scale

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.