Home / 8,110.35-12,164.31-3,183.39

Finding the Fourth Proportional to 8,110.35, 12,164.31 and 3,183.39

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Solution

The fourth proportional to 8,110.35, 12,164.31 and 3,183.39 is: 4,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.35 : 12,164.31 = 3,183.39 : x
  2. Step 2: Convert to fraction form
    8,110.35/12,164.31 = 3,183.39/x
  3. Step 3: Cross multiply
    8,110.35x = 12,164.31 × 3,183.39
  4. Step 4: Simplify right side
    8,110.35x = 38,723,742.81
  5. Step 5: Solve for x
    x = 38,723,742.81/8,110.35
  6. Step 6: Final answer
    x = 4,774.61

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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.