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Finding the Fourth Proportional to 9,503.92, 13,115.12 and 5,254.96

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Solution

The fourth proportional to 9,503.92, 13,115.12 and 5,254.96 is: 7,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,503.92 : 13,115.12 = 5,254.96 : x
  2. Step 2: Convert to fraction form
    9,503.92/13,115.12 = 5,254.96/x
  3. Step 3: Cross multiply
    9,503.92x = 13,115.12 × 5,254.96
  4. Step 4: Simplify right side
    9,503.92x = 68,919,431.00
  5. Step 5: Solve for x
    x = 68,919,431.00/9,503.92
  6. Step 6: Final answer
    x = 7,251.68

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Half scale
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Double scale
Find fourth proportional to 9,504.92, 13,116.50 and 5,255.96
Similar ratio
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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.