Home / 8,766.42-13,149.56-2,192.58

Finding the Fourth Proportional to 8,766.42, 13,149.56 and 2,192.58

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Solution

The fourth proportional to 8,766.42, 13,149.56 and 2,192.58 is: 3,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.42 : 13,149.56 = 2,192.58 : x
  2. Step 2: Convert to fraction form
    8,766.42/13,149.56 = 2,192.58/x
  3. Step 3: Cross multiply
    8,766.42x = 13,149.56 × 2,192.58
  4. Step 4: Simplify right side
    8,766.42x = 28,831,451.30
  5. Step 5: Solve for x
    x = 28,831,451.30/8,766.42
  6. Step 6: Final answer
    x = 3,288.85

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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.