Home / 7,909.32-11,863.76-2,065.94

Finding the Fourth Proportional to 7,909.32, 11,863.76 and 2,065.94

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Solution

The fourth proportional to 7,909.32, 11,863.76 and 2,065.94 is: 3,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.32 : 11,863.76 = 2,065.94 : x
  2. Step 2: Convert to fraction form
    7,909.32/11,863.76 = 2,065.94/x
  3. Step 3: Cross multiply
    7,909.32x = 11,863.76 × 2,065.94
  4. Step 4: Simplify right side
    7,909.32x = 24,509,816.33
  5. Step 5: Solve for x
    x = 24,509,816.33/7,909.32
  6. Step 6: Final answer
    x = 3,098.85

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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.