Home / 12,337.75-18,506.63-4,129.75

Finding the Fourth Proportional to 12,337.75, 18,506.63 and 4,129.75

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Solution

The fourth proportional to 12,337.75, 18,506.63 and 4,129.75 is: 6,194.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,337.75 : 18,506.63 = 4,129.75 : x
  2. Step 2: Convert to fraction form
    12,337.75/18,506.63 = 4,129.75/x
  3. Step 3: Cross multiply
    12,337.75x = 18,506.63 × 4,129.75
  4. Step 4: Simplify right side
    12,337.75x = 76,427,755.24
  5. Step 5: Solve for x
    x = 76,427,755.24/12,337.75
  6. Step 6: Final answer
    x = 6,194.63

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Similar ratio
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1.5x scale

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.