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Finding the Fourth Proportional to 8,000.36, 11,985.18 and 6,237.12

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Solution

The fourth proportional to 8,000.36, 11,985.18 and 6,237.12 is: 9,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.36 : 11,985.18 = 6,237.12 : x
  2. Step 2: Convert to fraction form
    8,000.36/11,985.18 = 6,237.12/x
  3. Step 3: Cross multiply
    8,000.36x = 11,985.18 × 6,237.12
  4. Step 4: Simplify right side
    8,000.36x = 74,753,005.88
  5. Step 5: Solve for x
    x = 74,753,005.88/8,000.36
  6. Step 6: Final answer
    x = 9,343.71

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.