Home / 12,402.72-18,604.08-6,170.53

Finding the Fourth Proportional to 12,402.72, 18,604.08 and 6,170.53

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Solution

The fourth proportional to 12,402.72, 18,604.08 and 6,170.53 is: 9,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.72 : 18,604.08 = 6,170.53 : x
  2. Step 2: Convert to fraction form
    12,402.72/18,604.08 = 6,170.53/x
  3. Step 3: Cross multiply
    12,402.72x = 18,604.08 × 6,170.53
  4. Step 4: Simplify right side
    12,402.72x = 114,797,022.13
  5. Step 5: Solve for x
    x = 114,797,022.13/12,402.72
  6. Step 6: Final answer
    x = 9,255.79

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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.