Home / 11,311.14-16,966.71-3,519.95

Finding the Fourth Proportional to 11,311.14, 16,966.71 and 3,519.95

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Solution

The fourth proportional to 11,311.14, 16,966.71 and 3,519.95 is: 5,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.14 : 16,966.71 = 3,519.95 : x
  2. Step 2: Convert to fraction form
    11,311.14/16,966.71 = 3,519.95/x
  3. Step 3: Cross multiply
    11,311.14x = 16,966.71 × 3,519.95
  4. Step 4: Simplify right side
    11,311.14x = 59,722,013.28
  5. Step 5: Solve for x
    x = 59,722,013.28/11,311.14
  6. Step 6: Final answer
    x = 5,279.93

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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.