Home / 8,065.11-12,098.43-3,135.13

Finding the Fourth Proportional to 8,065.11, 12,098.43 and 3,135.13

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Solution

The fourth proportional to 8,065.11, 12,098.43 and 3,135.13 is: 4,702.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.11 : 12,098.43 = 3,135.13 : x
  2. Step 2: Convert to fraction form
    8,065.11/12,098.43 = 3,135.13/x
  3. Step 3: Cross multiply
    8,065.11x = 12,098.43 × 3,135.13
  4. Step 4: Simplify right side
    8,065.11x = 37,930,150.85
  5. Step 5: Solve for x
    x = 37,930,150.85/8,065.11
  6. Step 6: Final answer
    x = 4,702.99

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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.