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Finding the Fourth Proportional to 8,346.96, 12,520.71 and 3,962.16

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Solution

The fourth proportional to 8,346.96, 12,520.71 and 3,962.16 is: 5,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.96 : 12,520.71 = 3,962.16 : x
  2. Step 2: Convert to fraction form
    8,346.96/12,520.71 = 3,962.16/x
  3. Step 3: Cross multiply
    8,346.96x = 12,520.71 × 3,962.16
  4. Step 4: Simplify right side
    8,346.96x = 49,609,056.33
  5. Step 5: Solve for x
    x = 49,609,056.33/8,346.96
  6. Step 6: Final answer
    x = 5,943.37

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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.