Home / 10,443.70-15,666.15-3,049.30

Finding the Fourth Proportional to 10,443.70, 15,666.15 and 3,049.30

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Solution

The fourth proportional to 10,443.70, 15,666.15 and 3,049.30 is: 4,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.70 : 15,666.15 = 3,049.30 : x
  2. Step 2: Convert to fraction form
    10,443.70/15,666.15 = 3,049.30/x
  3. Step 3: Cross multiply
    10,443.70x = 15,666.15 × 3,049.30
  4. Step 4: Simplify right side
    10,443.70x = 47,770,791.20
  5. Step 5: Solve for x
    x = 47,770,791.20/10,443.70
  6. Step 6: Final answer
    x = 4,574.13

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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.