Home / 12,493.55-18,738.17-4,702.43

Finding the Fourth Proportional to 12,493.55, 18,738.17 and 4,702.43

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Solution

The fourth proportional to 12,493.55, 18,738.17 and 4,702.43 is: 7,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.55 : 18,738.17 = 4,702.43 : x
  2. Step 2: Convert to fraction form
    12,493.55/18,738.17 = 4,702.43/x
  3. Step 3: Cross multiply
    12,493.55x = 18,738.17 × 4,702.43
  4. Step 4: Simplify right side
    12,493.55x = 88,114,909.24
  5. Step 5: Solve for x
    x = 88,114,909.24/12,493.55
  6. Step 6: Final answer
    x = 7,052.83

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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.