Home / 11,255.98-16,884.80-3,860.38

Finding the Fourth Proportional to 11,255.98, 16,884.80 and 3,860.38

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Solution

The fourth proportional to 11,255.98, 16,884.80 and 3,860.38 is: 5,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.98 : 16,884.80 = 3,860.38 : x
  2. Step 2: Convert to fraction form
    11,255.98/16,884.80 = 3,860.38/x
  3. Step 3: Cross multiply
    11,255.98x = 16,884.80 × 3,860.38
  4. Step 4: Simplify right side
    11,255.98x = 65,181,744.22
  5. Step 5: Solve for x
    x = 65,181,744.22/11,255.98
  6. Step 6: Final answer
    x = 5,790.85

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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.