Home / 8,759.12-13,141.38-3,060.66

Finding the Fourth Proportional to 8,759.12, 13,141.38 and 3,060.66

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Solution

The fourth proportional to 8,759.12, 13,141.38 and 3,060.66 is: 4,591.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.12 : 13,141.38 = 3,060.66 : x
  2. Step 2: Convert to fraction form
    8,759.12/13,141.38 = 3,060.66/x
  3. Step 3: Cross multiply
    8,759.12x = 13,141.38 × 3,060.66
  4. Step 4: Simplify right side
    8,759.12x = 40,221,296.11
  5. Step 5: Solve for x
    x = 40,221,296.11/8,759.12
  6. Step 6: Final answer
    x = 4,591.93

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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.