Home / 12,236.12-18,335.01-9,469.70

Finding the Fourth Proportional to 12,236.12, 18,335.01 and 9,469.70

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Solution

The fourth proportional to 12,236.12, 18,335.01 and 9,469.70 is: 14,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.12 : 18,335.01 = 9,469.70 : x
  2. Step 2: Convert to fraction form
    12,236.12/18,335.01 = 9,469.70/x
  3. Step 3: Cross multiply
    12,236.12x = 18,335.01 × 9,469.70
  4. Step 4: Simplify right side
    12,236.12x = 173,627,044.20
  5. Step 5: Solve for x
    x = 173,627,044.20/12,236.12
  6. Step 6: Final answer
    x = 14,189.71

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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.