Home / 11,936.16-17,903.03-3,171.96

Finding the Fourth Proportional to 11,936.16, 17,903.03 and 3,171.96

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Solution

The fourth proportional to 11,936.16, 17,903.03 and 3,171.96 is: 4,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.16 : 17,903.03 = 3,171.96 : x
  2. Step 2: Convert to fraction form
    11,936.16/17,903.03 = 3,171.96/x
  3. Step 3: Cross multiply
    11,936.16x = 17,903.03 × 3,171.96
  4. Step 4: Simplify right side
    11,936.16x = 56,787,679.18
  5. Step 5: Solve for x
    x = 56,787,679.18/11,936.16
  6. Step 6: Final answer
    x = 4,757.62

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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.