Home / 10,958.20-16,433.70-4,031.80

Finding the Fourth Proportional to 10,958.20, 16,433.70 and 4,031.80

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Solution

The fourth proportional to 10,958.20, 16,433.70 and 4,031.80 is: 6,046.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.20 : 16,433.70 = 4,031.80 : x
  2. Step 2: Convert to fraction form
    10,958.20/16,433.70 = 4,031.80/x
  3. Step 3: Cross multiply
    10,958.20x = 16,433.70 × 4,031.80
  4. Step 4: Simplify right side
    10,958.20x = 66,257,391.66
  5. Step 5: Solve for x
    x = 66,257,391.66/10,958.20
  6. Step 6: Final answer
    x = 6,046.38

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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.