Home / 11,179.59-16,747.25-7,660.95

Finding the Fourth Proportional to 11,179.59, 16,747.25 and 7,660.95

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Solution

The fourth proportional to 11,179.59, 16,747.25 and 7,660.95 is: 11,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.59 : 16,747.25 = 7,660.95 : x
  2. Step 2: Convert to fraction form
    11,179.59/16,747.25 = 7,660.95/x
  3. Step 3: Cross multiply
    11,179.59x = 16,747.25 × 7,660.95
  4. Step 4: Simplify right side
    11,179.59x = 128,299,806.58
  5. Step 5: Solve for x
    x = 128,299,806.58/11,179.59
  6. Step 6: Final answer
    x = 11,476.25

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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.