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Finding the Fourth Proportional to 11,236.91, 15,507.92 and 6,202.22

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Solution

The fourth proportional to 11,236.91, 15,507.92 and 6,202.22 is: 8,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.91 : 15,507.92 = 6,202.22 : x
  2. Step 2: Convert to fraction form
    11,236.91/15,507.92 = 6,202.22/x
  3. Step 3: Cross multiply
    11,236.91x = 15,507.92 × 6,202.22
  4. Step 4: Simplify right side
    11,236.91x = 96,183,469.55
  5. Step 5: Solve for x
    x = 96,183,469.55/11,236.91
  6. Step 6: Final answer
    x = 8,559.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.