Home / 8,113.80-12,163.14-3,734.76

Finding the Fourth Proportional to 8,113.80, 12,163.14 and 3,734.76

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Solution

The fourth proportional to 8,113.80, 12,163.14 and 3,734.76 is: 5,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.80 : 12,163.14 = 3,734.76 : x
  2. Step 2: Convert to fraction form
    8,113.80/12,163.14 = 3,734.76/x
  3. Step 3: Cross multiply
    8,113.80x = 12,163.14 × 3,734.76
  4. Step 4: Simplify right side
    8,113.80x = 45,426,408.75
  5. Step 5: Solve for x
    x = 45,426,408.75/8,113.80
  6. Step 6: Final answer
    x = 5,598.66

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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.