Home / 12,062.85-18,093.60-3,742.80

Finding the Fourth Proportional to 12,062.85, 18,093.60 and 3,742.80

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Solution

The fourth proportional to 12,062.85, 18,093.60 and 3,742.80 is: 5,613.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.85 : 18,093.60 = 3,742.80 : x
  2. Step 2: Convert to fraction form
    12,062.85/18,093.60 = 3,742.80/x
  3. Step 3: Cross multiply
    12,062.85x = 18,093.60 × 3,742.80
  4. Step 4: Simplify right side
    12,062.85x = 67,720,726.08
  5. Step 5: Solve for x
    x = 67,720,726.08/12,062.85
  6. Step 6: Final answer
    x = 5,613.99

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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.