Home / 11,272.41-16,911.40-3,481.22

Finding the Fourth Proportional to 11,272.41, 16,911.40 and 3,481.22

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Solution

The fourth proportional to 11,272.41, 16,911.40 and 3,481.22 is: 5,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.41 : 16,911.40 = 3,481.22 : x
  2. Step 2: Convert to fraction form
    11,272.41/16,911.40 = 3,481.22/x
  3. Step 3: Cross multiply
    11,272.41x = 16,911.40 × 3,481.22
  4. Step 4: Simplify right side
    11,272.41x = 58,872,337.48
  5. Step 5: Solve for x
    x = 58,872,337.48/11,272.41
  6. Step 6: Final answer
    x = 5,222.69

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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.