Home / 8,766.62-12,096.85-5,181.16

Finding the Fourth Proportional to 8,766.62, 12,096.85 and 5,181.16

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Solution

The fourth proportional to 8,766.62, 12,096.85 and 5,181.16 is: 7,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.62 : 12,096.85 = 5,181.16 : x
  2. Step 2: Convert to fraction form
    8,766.62/12,096.85 = 5,181.16/x
  3. Step 3: Cross multiply
    8,766.62x = 12,096.85 × 5,181.16
  4. Step 4: Simplify right side
    8,766.62x = 62,675,628.96
  5. Step 5: Solve for x
    x = 62,675,628.96/8,766.62
  6. Step 6: Final answer
    x = 7,149.35

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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.