Home / 11,951.52-17,927.94-3,631.80

Finding the Fourth Proportional to 11,951.52, 17,927.94 and 3,631.80

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Solution

The fourth proportional to 11,951.52, 17,927.94 and 3,631.80 is: 5,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.52 : 17,927.94 = 3,631.80 : x
  2. Step 2: Convert to fraction form
    11,951.52/17,927.94 = 3,631.80/x
  3. Step 3: Cross multiply
    11,951.52x = 17,927.94 × 3,631.80
  4. Step 4: Simplify right side
    11,951.52x = 65,110,692.49
  5. Step 5: Solve for x
    x = 65,110,692.49/11,951.52
  6. Step 6: Final answer
    x = 5,447.90

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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.