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Finding the Fourth Proportional to 9,793.56, 13,517.34 and 6,384.54

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Solution

The fourth proportional to 9,793.56, 13,517.34 and 6,384.54 is: 8,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.56 : 13,517.34 = 6,384.54 : x
  2. Step 2: Convert to fraction form
    9,793.56/13,517.34 = 6,384.54/x
  3. Step 3: Cross multiply
    9,793.56x = 13,517.34 × 6,384.54
  4. Step 4: Simplify right side
    9,793.56x = 86,301,997.92
  5. Step 5: Solve for x
    x = 86,301,997.92/9,793.56
  6. Step 6: Final answer
    x = 8,812.12

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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.