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Finding the Fourth Proportional to 8,871.38, 12,241.97 and 5,095.16

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Solution

The fourth proportional to 8,871.38, 12,241.97 and 5,095.16 is: 7,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.38 : 12,241.97 = 5,095.16 : x
  2. Step 2: Convert to fraction form
    8,871.38/12,241.97 = 5,095.16/x
  3. Step 3: Cross multiply
    8,871.38x = 12,241.97 × 5,095.16
  4. Step 4: Simplify right side
    8,871.38x = 62,374,760.79
  5. Step 5: Solve for x
    x = 62,374,760.79/8,871.38
  6. Step 6: Final answer
    x = 7,031.01

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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.