Home / 11,977.62-17,951.85-5,402.04

Finding the Fourth Proportional to 11,977.62, 17,951.85 and 5,402.04

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Solution

The fourth proportional to 11,977.62, 17,951.85 and 5,402.04 is: 8,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.62 : 17,951.85 = 5,402.04 : x
  2. Step 2: Convert to fraction form
    11,977.62/17,951.85 = 5,402.04/x
  3. Step 3: Cross multiply
    11,977.62x = 17,951.85 × 5,402.04
  4. Step 4: Simplify right side
    11,977.62x = 96,976,611.77
  5. Step 5: Solve for x
    x = 96,976,611.77/11,977.62
  6. Step 6: Final answer
    x = 8,096.48

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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.