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Finding the Fourth Proportional to 8,701.03, 12,006.76 and 5,116.14

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Solution

The fourth proportional to 8,701.03, 12,006.76 and 5,116.14 is: 7,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.03 : 12,006.76 = 5,116.14 : x
  2. Step 2: Convert to fraction form
    8,701.03/12,006.76 = 5,116.14/x
  3. Step 3: Cross multiply
    8,701.03x = 12,006.76 × 5,116.14
  4. Step 4: Simplify right side
    8,701.03x = 61,428,265.11
  5. Step 5: Solve for x
    x = 61,428,265.11/8,701.03
  6. Step 6: Final answer
    x = 7,059.88

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Half scale
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Double scale
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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.