Home / 10,756.20-16,135.10-3,829.80

Finding the Fourth Proportional to 10,756.20, 16,135.10 and 3,829.80

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Solution

The fourth proportional to 10,756.20, 16,135.10 and 3,829.80 is: 5,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.20 : 16,135.10 = 3,829.80 : x
  2. Step 2: Convert to fraction form
    10,756.20/16,135.10 = 3,829.80/x
  3. Step 3: Cross multiply
    10,756.20x = 16,135.10 × 3,829.80
  4. Step 4: Simplify right side
    10,756.20x = 61,794,205.98
  5. Step 5: Solve for x
    x = 61,794,205.98/10,756.20
  6. Step 6: Final answer
    x = 5,744.98

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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.