Home / 8,163.52-12,241.77-2,615.02

Finding the Fourth Proportional to 8,163.52, 12,241.77 and 2,615.02

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Solution

The fourth proportional to 8,163.52, 12,241.77 and 2,615.02 is: 3,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.52 : 12,241.77 = 2,615.02 : x
  2. Step 2: Convert to fraction form
    8,163.52/12,241.77 = 2,615.02/x
  3. Step 3: Cross multiply
    8,163.52x = 12,241.77 × 2,615.02
  4. Step 4: Simplify right side
    8,163.52x = 32,012,473.39
  5. Step 5: Solve for x
    x = 32,012,473.39/8,163.52
  6. Step 6: Final answer
    x = 3,921.41

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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.