Home / 11,961.14-17,934.42-4,557.71

Finding the Fourth Proportional to 11,961.14, 17,934.42 and 4,557.71

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Solution

The fourth proportional to 11,961.14, 17,934.42 and 4,557.71 is: 6,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.14 : 17,934.42 = 4,557.71 : x
  2. Step 2: Convert to fraction form
    11,961.14/17,934.42 = 4,557.71/x
  3. Step 3: Cross multiply
    11,961.14x = 17,934.42 × 4,557.71
  4. Step 4: Simplify right side
    11,961.14x = 81,739,885.38
  5. Step 5: Solve for x
    x = 81,739,885.38/11,961.14
  6. Step 6: Final answer
    x = 6,833.79

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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.