Home / 11,956.12-17,934.13-5,697.15

Finding the Fourth Proportional to 11,956.12, 17,934.13 and 5,697.15

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Solution

The fourth proportional to 11,956.12, 17,934.13 and 5,697.15 is: 8,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.12 : 17,934.13 = 5,697.15 : x
  2. Step 2: Convert to fraction form
    11,956.12/17,934.13 = 5,697.15/x
  3. Step 3: Cross multiply
    11,956.12x = 17,934.13 × 5,697.15
  4. Step 4: Simplify right side
    11,956.12x = 102,173,428.73
  5. Step 5: Solve for x
    x = 102,173,428.73/11,956.12
  6. Step 6: Final answer
    x = 8,545.70

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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.