Home / 11,255.96-16,884.20-3,860.36

Finding the Fourth Proportional to 11,255.96, 16,884.20 and 3,860.36

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Solution

The fourth proportional to 11,255.96, 16,884.20 and 3,860.36 is: 5,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.96 : 16,884.20 = 3,860.36 : x
  2. Step 2: Convert to fraction form
    11,255.96/16,884.20 = 3,860.36/x
  3. Step 3: Cross multiply
    11,255.96x = 16,884.20 × 3,860.36
  4. Step 4: Simplify right side
    11,255.96x = 65,179,090.31
  5. Step 5: Solve for x
    x = 65,179,090.31/11,255.96
  6. Step 6: Final answer
    x = 5,790.63

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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.