Home / 11,314.35-16,971.53-5,475.87

Finding the Fourth Proportional to 11,314.35, 16,971.53 and 5,475.87

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Solution

The fourth proportional to 11,314.35, 16,971.53 and 5,475.87 is: 8,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.35 : 16,971.53 = 5,475.87 : x
  2. Step 2: Convert to fraction form
    11,314.35/16,971.53 = 5,475.87/x
  3. Step 3: Cross multiply
    11,314.35x = 16,971.53 × 5,475.87
  4. Step 4: Simplify right side
    11,314.35x = 92,933,864.60
  5. Step 5: Solve for x
    x = 92,933,864.60/11,314.35
  6. Step 6: Final answer
    x = 8,213.81

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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.