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Finding the Fourth Proportional to 8,841.32, 12,188.18 and 6,180.48

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Solution

The fourth proportional to 8,841.32, 12,188.18 and 6,180.48 is: 8,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.32 : 12,188.18 = 6,180.48 : x
  2. Step 2: Convert to fraction form
    8,841.32/12,188.18 = 6,180.48/x
  3. Step 3: Cross multiply
    8,841.32x = 12,188.18 × 6,180.48
  4. Step 4: Simplify right side
    8,841.32x = 75,328,802.73
  5. Step 5: Solve for x
    x = 75,328,802.73/8,841.32
  6. Step 6: Final answer
    x = 8,520.09

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Half scale
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Double scale
Find fourth proportional to 8,842.32, 12,189.56 and 6,181.48
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.