Home / 11,949.13-17,930.61-4,927.84

Finding the Fourth Proportional to 11,949.13, 17,930.61 and 4,927.84

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Solution

The fourth proportional to 11,949.13, 17,930.61 and 4,927.84 is: 7,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.13 : 17,930.61 = 4,927.84 : x
  2. Step 2: Convert to fraction form
    11,949.13/17,930.61 = 4,927.84/x
  3. Step 3: Cross multiply
    11,949.13x = 17,930.61 × 4,927.84
  4. Step 4: Simplify right side
    11,949.13x = 88,359,177.18
  5. Step 5: Solve for x
    x = 88,359,177.18/11,949.13
  6. Step 6: Final answer
    x = 7,394.61

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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.