Home / 8,023.55-12,025.30-3,862.78

Finding the Fourth Proportional to 8,023.55, 12,025.30 and 3,862.78

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Solution

The fourth proportional to 8,023.55, 12,025.30 and 3,862.78 is: 5,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,023.55 : 12,025.30 = 3,862.78 : x
  2. Step 2: Convert to fraction form
    8,023.55/12,025.30 = 3,862.78/x
  3. Step 3: Cross multiply
    8,023.55x = 12,025.30 × 3,862.78
  4. Step 4: Simplify right side
    8,023.55x = 46,451,069.02
  5. Step 5: Solve for x
    x = 46,451,069.02/8,023.55
  6. Step 6: Final answer
    x = 5,789.34

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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.