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Finding the Fourth Proportional to 8,499.57, 11,726.14 and 6,266.76

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Solution

The fourth proportional to 8,499.57, 11,726.14 and 6,266.76 is: 8,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.57 : 11,726.14 = 6,266.76 : x
  2. Step 2: Convert to fraction form
    8,499.57/11,726.14 = 6,266.76/x
  3. Step 3: Cross multiply
    8,499.57x = 11,726.14 × 6,266.76
  4. Step 4: Simplify right side
    8,499.57x = 73,484,905.11
  5. Step 5: Solve for x
    x = 73,484,905.11/8,499.57
  6. Step 6: Final answer
    x = 8,645.72

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Half scale
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Double scale
Find fourth proportional to 8,500.57, 11,727.52 and 6,267.76
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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.