Home / 10,302.62-15,456.81-3,381.98

Finding the Fourth Proportional to 10,302.62, 15,456.81 and 3,381.98

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Solution

The fourth proportional to 10,302.62, 15,456.81 and 3,381.98 is: 5,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.62 : 15,456.81 = 3,381.98 : x
  2. Step 2: Convert to fraction form
    10,302.62/15,456.81 = 3,381.98/x
  3. Step 3: Cross multiply
    10,302.62x = 15,456.81 × 3,381.98
  4. Step 4: Simplify right side
    10,302.62x = 52,274,622.28
  5. Step 5: Solve for x
    x = 52,274,622.28/10,302.62
  6. Step 6: Final answer
    x = 5,073.92

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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.