Home / 11,942.92-17,914.54-4,151.88

Finding the Fourth Proportional to 11,942.92, 17,914.54 and 4,151.88

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Solution

The fourth proportional to 11,942.92, 17,914.54 and 4,151.88 is: 6,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.92 : 17,914.54 = 4,151.88 : x
  2. Step 2: Convert to fraction form
    11,942.92/17,914.54 = 4,151.88/x
  3. Step 3: Cross multiply
    11,942.92x = 17,914.54 × 4,151.88
  4. Step 4: Simplify right side
    11,942.92x = 74,379,020.34
  5. Step 5: Solve for x
    x = 74,379,020.34/11,942.92
  6. Step 6: Final answer
    x = 6,227.88

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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.