Home / 8,125.11-12,174.87-6,280.74

Finding the Fourth Proportional to 8,125.11, 12,174.87 and 6,280.74

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Solution

The fourth proportional to 8,125.11, 12,174.87 and 6,280.74 is: 9,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.11 : 12,174.87 = 6,280.74 : x
  2. Step 2: Convert to fraction form
    8,125.11/12,174.87 = 6,280.74/x
  3. Step 3: Cross multiply
    8,125.11x = 12,174.87 × 6,280.74
  4. Step 4: Simplify right side
    8,125.11x = 76,467,193.00
  5. Step 5: Solve for x
    x = 76,467,193.00/8,125.11
  6. Step 6: Final answer
    x = 9,411.22

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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.