Home / 8,103.82-12,150.52-3,422.55

Finding the Fourth Proportional to 8,103.82, 12,150.52 and 3,422.55

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Solution

The fourth proportional to 8,103.82, 12,150.52 and 3,422.55 is: 5,131.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.82 : 12,150.52 = 3,422.55 : x
  2. Step 2: Convert to fraction form
    8,103.82/12,150.52 = 3,422.55/x
  3. Step 3: Cross multiply
    8,103.82x = 12,150.52 × 3,422.55
  4. Step 4: Simplify right side
    8,103.82x = 41,585,762.23
  5. Step 5: Solve for x
    x = 41,585,762.23/8,103.82
  6. Step 6: Final answer
    x = 5,131.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.