Home / 8,766.52-12,099.36-5,181.32

Finding the Fourth Proportional to 8,766.52, 12,099.36 and 5,181.32

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Solution

The fourth proportional to 8,766.52, 12,099.36 and 5,181.32 is: 7,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.52 : 12,099.36 = 5,181.32 : x
  2. Step 2: Convert to fraction form
    8,766.52/12,099.36 = 5,181.32/x
  3. Step 3: Cross multiply
    8,766.52x = 12,099.36 × 5,181.32
  4. Step 4: Simplify right side
    8,766.52x = 62,690,655.96
  5. Step 5: Solve for x
    x = 62,690,655.96/8,766.52
  6. Step 6: Final answer
    x = 7,151.15

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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.