Home / 7,909.92-11,865.57-2,066.52

Finding the Fourth Proportional to 7,909.92, 11,865.57 and 2,066.52

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Solution

The fourth proportional to 7,909.92, 11,865.57 and 2,066.52 is: 3,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.92 : 11,865.57 = 2,066.52 : x
  2. Step 2: Convert to fraction form
    7,909.92/11,865.57 = 2,066.52/x
  3. Step 3: Cross multiply
    7,909.92x = 11,865.57 × 2,066.52
  4. Step 4: Simplify right side
    7,909.92x = 24,520,437.72
  5. Step 5: Solve for x
    x = 24,520,437.72/7,909.92
  6. Step 6: Final answer
    x = 3,099.96

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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.