Home / 8,099.55-12,144.53-3,163.41

Finding the Fourth Proportional to 8,099.55, 12,144.53 and 3,163.41

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Solution

The fourth proportional to 8,099.55, 12,144.53 and 3,163.41 is: 4,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.55 : 12,144.53 = 3,163.41 : x
  2. Step 2: Convert to fraction form
    8,099.55/12,144.53 = 3,163.41/x
  3. Step 3: Cross multiply
    8,099.55x = 12,144.53 × 3,163.41
  4. Step 4: Simplify right side
    8,099.55x = 38,418,135.56
  5. Step 5: Solve for x
    x = 38,418,135.56/8,099.55
  6. Step 6: Final answer
    x = 4,743.24

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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.