Home / 10,168.62-15,253.44-3,243.66

Finding the Fourth Proportional to 10,168.62, 15,253.44 and 3,243.66

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Solution

The fourth proportional to 10,168.62, 15,253.44 and 3,243.66 is: 4,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.62 : 15,253.44 = 3,243.66 : x
  2. Step 2: Convert to fraction form
    10,168.62/15,253.44 = 3,243.66/x
  3. Step 3: Cross multiply
    10,168.62x = 15,253.44 × 3,243.66
  4. Step 4: Simplify right side
    10,168.62x = 49,476,973.19
  5. Step 5: Solve for x
    x = 49,476,973.19/10,168.62
  6. Step 6: Final answer
    x = 4,865.65

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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.