Home / 11,922.78-17,873.22-4,126.14

Finding the Fourth Proportional to 11,922.78, 17,873.22 and 4,126.14

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Solution

The fourth proportional to 11,922.78, 17,873.22 and 4,126.14 is: 6,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.78 : 17,873.22 = 4,126.14 : x
  2. Step 2: Convert to fraction form
    11,922.78/17,873.22 = 4,126.14/x
  3. Step 3: Cross multiply
    11,922.78x = 17,873.22 × 4,126.14
  4. Step 4: Simplify right side
    11,922.78x = 73,747,407.97
  5. Step 5: Solve for x
    x = 73,747,407.97/11,922.78
  6. Step 6: Final answer
    x = 6,185.42

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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.