Home / 11,966.22-17,949.76-6,115.99

Finding the Fourth Proportional to 11,966.22, 17,949.76 and 6,115.99

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Solution

The fourth proportional to 11,966.22, 17,949.76 and 6,115.99 is: 9,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.22 : 17,949.76 = 6,115.99 : x
  2. Step 2: Convert to fraction form
    11,966.22/17,949.76 = 6,115.99/x
  3. Step 3: Cross multiply
    11,966.22x = 17,949.76 × 6,115.99
  4. Step 4: Simplify right side
    11,966.22x = 109,780,552.66
  5. Step 5: Solve for x
    x = 109,780,552.66/11,966.22
  6. Step 6: Final answer
    x = 9,174.20

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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.