Home / 9,131.01-13,696.21-3,864.59

Finding the Fourth Proportional to 9,131.01, 13,696.21 and 3,864.59

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Solution

The fourth proportional to 9,131.01, 13,696.21 and 3,864.59 is: 5,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.01 : 13,696.21 = 3,864.59 : x
  2. Step 2: Convert to fraction form
    9,131.01/13,696.21 = 3,864.59/x
  3. Step 3: Cross multiply
    9,131.01x = 13,696.21 × 3,864.59
  4. Step 4: Simplify right side
    9,131.01x = 52,930,236.20
  5. Step 5: Solve for x
    x = 52,930,236.20/9,131.01
  6. Step 6: Final answer
    x = 5,796.76

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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.