Home / 7,909.16-11,863.71-2,065.73

Finding the Fourth Proportional to 7,909.16, 11,863.71 and 2,065.73

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Solution

The fourth proportional to 7,909.16, 11,863.71 and 2,065.73 is: 3,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.16 : 11,863.71 = 2,065.73 : x
  2. Step 2: Convert to fraction form
    7,909.16/11,863.71 = 2,065.73/x
  3. Step 3: Cross multiply
    7,909.16x = 11,863.71 × 2,065.73
  4. Step 4: Simplify right side
    7,909.16x = 24,507,221.66
  5. Step 5: Solve for x
    x = 24,507,221.66/7,909.16
  6. Step 6: Final answer
    x = 3,098.59

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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.