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Finding the Fourth Proportional to 8,670.92, 11,959.30 and 5,841.32

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Solution

The fourth proportional to 8,670.92, 11,959.30 and 5,841.32 is: 8,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.92 : 11,959.30 = 5,841.32 : x
  2. Step 2: Convert to fraction form
    8,670.92/11,959.30 = 5,841.32/x
  3. Step 3: Cross multiply
    8,670.92x = 11,959.30 × 5,841.32
  4. Step 4: Simplify right side
    8,670.92x = 69,858,098.28
  5. Step 5: Solve for x
    x = 69,858,098.28/8,670.92
  6. Step 6: Final answer
    x = 8,056.60

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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.