Home / 10,750.40-16,131.75-4,175.73

Finding the Fourth Proportional to 10,750.40, 16,131.75 and 4,175.73

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Solution

The fourth proportional to 10,750.40, 16,131.75 and 4,175.73 is: 6,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.40 : 16,131.75 = 4,175.73 : x
  2. Step 2: Convert to fraction form
    10,750.40/16,131.75 = 4,175.73/x
  3. Step 3: Cross multiply
    10,750.40x = 16,131.75 × 4,175.73
  4. Step 4: Simplify right side
    10,750.40x = 67,361,811.55
  5. Step 5: Solve for x
    x = 67,361,811.55/10,750.40
  6. Step 6: Final answer
    x = 6,265.98

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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.