Home / 8,851.40-13,272.62-3,922.56

Finding the Fourth Proportional to 8,851.40, 13,272.62 and 3,922.56

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Solution

The fourth proportional to 8,851.40, 13,272.62 and 3,922.56 is: 5,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.40 : 13,272.62 = 3,922.56 : x
  2. Step 2: Convert to fraction form
    8,851.40/13,272.62 = 3,922.56/x
  3. Step 3: Cross multiply
    8,851.40x = 13,272.62 × 3,922.56
  4. Step 4: Simplify right side
    8,851.40x = 52,062,648.31
  5. Step 5: Solve for x
    x = 52,062,648.31/8,851.40
  6. Step 6: Final answer
    x = 5,881.85

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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.