Home / 11,255.20-16,883.76-2,936.32

Finding the Fourth Proportional to 11,255.20, 16,883.76 and 2,936.32

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Solution

The fourth proportional to 11,255.20, 16,883.76 and 2,936.32 is: 4,404.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.20 : 16,883.76 = 2,936.32 : x
  2. Step 2: Convert to fraction form
    11,255.20/16,883.76 = 2,936.32/x
  3. Step 3: Cross multiply
    11,255.20x = 16,883.76 × 2,936.32
  4. Step 4: Simplify right side
    11,255.20x = 49,576,122.16
  5. Step 5: Solve for x
    x = 49,576,122.16/11,255.20
  6. Step 6: Final answer
    x = 4,404.73

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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.