Home / 11,327.16-16,991.04-6,679.86

Finding the Fourth Proportional to 11,327.16, 16,991.04 and 6,679.86

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Solution

The fourth proportional to 11,327.16, 16,991.04 and 6,679.86 is: 10,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.16 : 16,991.04 = 6,679.86 : x
  2. Step 2: Convert to fraction form
    11,327.16/16,991.04 = 6,679.86/x
  3. Step 3: Cross multiply
    11,327.16x = 16,991.04 × 6,679.86
  4. Step 4: Simplify right side
    11,327.16x = 113,497,768.45
  5. Step 5: Solve for x
    x = 113,497,768.45/11,327.16
  6. Step 6: Final answer
    x = 10,019.97

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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.