Home / 11,149.48-16,726.41-4,129.55

Finding the Fourth Proportional to 11,149.48, 16,726.41 and 4,129.55

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Solution

The fourth proportional to 11,149.48, 16,726.41 and 4,129.55 is: 6,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.48 : 16,726.41 = 4,129.55 : x
  2. Step 2: Convert to fraction form
    11,149.48/16,726.41 = 4,129.55/x
  3. Step 3: Cross multiply
    11,149.48x = 16,726.41 × 4,129.55
  4. Step 4: Simplify right side
    11,149.48x = 69,072,546.42
  5. Step 5: Solve for x
    x = 69,072,546.42/11,149.48
  6. Step 6: Final answer
    x = 6,195.14

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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.