Home / 11,957.67-17,936.49-4,161

Finding the Fourth Proportional to 11,957.67, 17,936.49 and 4,161

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Solution

The fourth proportional to 11,957.67, 17,936.49 and 4,161 is: 6,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957.67 : 17,936.49 = 4,161 : x
  2. Step 2: Convert to fraction form
    11,957.67/17,936.49 = 4,161/x
  3. Step 3: Cross multiply
    11,957.67x = 17,936.49 × 4,161
  4. Step 4: Simplify right side
    11,957.67x = 74,633,734.89
  5. Step 5: Solve for x
    x = 74,633,734.89/11,957.67
  6. Step 6: Final answer
    x = 6,241.49

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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.