Home / 12,197.76-18,296.55-3,432.62

Finding the Fourth Proportional to 12,197.76, 18,296.55 and 3,432.62

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Solution

The fourth proportional to 12,197.76, 18,296.55 and 3,432.62 is: 5,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.76 : 18,296.55 = 3,432.62 : x
  2. Step 2: Convert to fraction form
    12,197.76/18,296.55 = 3,432.62/x
  3. Step 3: Cross multiply
    12,197.76x = 18,296.55 × 3,432.62
  4. Step 4: Simplify right side
    12,197.76x = 62,805,011.98
  5. Step 5: Solve for x
    x = 62,805,011.98/12,197.76
  6. Step 6: Final answer
    x = 5,148.90

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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.