Home / 11,167.46-15,411.16-6,131.90

Finding the Fourth Proportional to 11,167.46, 15,411.16 and 6,131.90

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Solution

The fourth proportional to 11,167.46, 15,411.16 and 6,131.90 is: 8,462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.46 : 15,411.16 = 6,131.90 : x
  2. Step 2: Convert to fraction form
    11,167.46/15,411.16 = 6,131.90/x
  3. Step 3: Cross multiply
    11,167.46x = 15,411.16 × 6,131.90
  4. Step 4: Simplify right side
    11,167.46x = 94,499,692.00
  5. Step 5: Solve for x
    x = 94,499,692.00/11,167.46
  6. Step 6: Final answer
    x = 8,462.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.