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Finding the Fourth Proportional to 8,366.11, 11,530.01 and 8,126.21

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Solution

The fourth proportional to 8,366.11, 11,530.01 and 8,126.21 is: 11,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.11 : 11,530.01 = 8,126.21 : x
  2. Step 2: Convert to fraction form
    8,366.11/11,530.01 = 8,126.21/x
  3. Step 3: Cross multiply
    8,366.11x = 11,530.01 × 8,126.21
  4. Step 4: Simplify right side
    8,366.11x = 93,695,331.70
  5. Step 5: Solve for x
    x = 93,695,331.70/8,366.11
  6. Step 6: Final answer
    x = 11,199.39

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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.