Home / 10,765.99-16,149.29-2,974.80

Finding the Fourth Proportional to 10,765.99, 16,149.29 and 2,974.80

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Solution

The fourth proportional to 10,765.99, 16,149.29 and 2,974.80 is: 4,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.99 : 16,149.29 = 2,974.80 : x
  2. Step 2: Convert to fraction form
    10,765.99/16,149.29 = 2,974.80/x
  3. Step 3: Cross multiply
    10,765.99x = 16,149.29 × 2,974.80
  4. Step 4: Simplify right side
    10,765.99x = 48,040,970.31
  5. Step 5: Solve for x
    x = 48,040,970.31/10,765.99
  6. Step 6: Final answer
    x = 4,462.29

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1.5x scale

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.