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Finding the Fourth Proportional to 7,747.92, 11,597.15 and 6,170.19

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Solution

The fourth proportional to 7,747.92, 11,597.15 and 6,170.19 is: 9,235.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.92 : 11,597.15 = 6,170.19 : x
  2. Step 2: Convert to fraction form
    7,747.92/11,597.15 = 6,170.19/x
  3. Step 3: Cross multiply
    7,747.92x = 11,597.15 × 6,170.19
  4. Step 4: Simplify right side
    7,747.92x = 71,556,618.96
  5. Step 5: Solve for x
    x = 71,556,618.96/7,747.92
  6. Step 6: Final answer
    x = 9,235.59

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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.