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Finding the Fourth Proportional to 8,567.46, 11,843.04 and 8,218.62

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Solution

The fourth proportional to 8,567.46, 11,843.04 and 8,218.62 is: 11,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.46 : 11,843.04 = 8,218.62 : x
  2. Step 2: Convert to fraction form
    8,567.46/11,843.04 = 8,218.62/x
  3. Step 3: Cross multiply
    8,567.46x = 11,843.04 × 8,218.62
  4. Step 4: Simplify right side
    8,567.46x = 97,333,445.40
  5. Step 5: Solve for x
    x = 97,333,445.40/8,567.46
  6. Step 6: Final answer
    x = 11,360.83

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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.