Home / 7,909.15-11,869.26-5,834.54

Finding the Fourth Proportional to 7,909.15, 11,869.26 and 5,834.54

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Solution

The fourth proportional to 7,909.15, 11,869.26 and 5,834.54 is: 8,755.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.15 : 11,869.26 = 5,834.54 : x
  2. Step 2: Convert to fraction form
    7,909.15/11,869.26 = 5,834.54/x
  3. Step 3: Cross multiply
    7,909.15x = 11,869.26 × 5,834.54
  4. Step 4: Simplify right side
    7,909.15x = 69,251,583.72
  5. Step 5: Solve for x
    x = 69,251,583.72/7,909.15
  6. Step 6: Final answer
    x = 8,755.89

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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.