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Finding the Fourth Proportional to 11,197.40, 15,452.40 and 6,162

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Solution

The fourth proportional to 11,197.40, 15,452.40 and 6,162 is: 8,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.40 : 15,452.40 = 6,162 : x
  2. Step 2: Convert to fraction form
    11,197.40/15,452.40 = 6,162/x
  3. Step 3: Cross multiply
    11,197.40x = 15,452.40 × 6,162
  4. Step 4: Simplify right side
    11,197.40x = 95,217,688.80
  5. Step 5: Solve for x
    x = 95,217,688.80/11,197.40
  6. Step 6: Final answer
    x = 8,503.55

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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.