Home / 11,941.35-17,914.20-3,936.57

Finding the Fourth Proportional to 11,941.35, 17,914.20 and 3,936.57

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Solution

The fourth proportional to 11,941.35, 17,914.20 and 3,936.57 is: 5,905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.35 : 17,914.20 = 3,936.57 : x
  2. Step 2: Convert to fraction form
    11,941.35/17,914.20 = 3,936.57/x
  3. Step 3: Cross multiply
    11,941.35x = 17,914.20 × 3,936.57
  4. Step 4: Simplify right side
    11,941.35x = 70,520,502.29
  5. Step 5: Solve for x
    x = 70,520,502.29/11,941.35
  6. Step 6: Final answer
    x = 5,905.57

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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.