Home / 8,236.72-12,344.74-3,551.25

Finding the Fourth Proportional to 8,236.72, 12,344.74 and 3,551.25

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Solution

The fourth proportional to 8,236.72, 12,344.74 and 3,551.25 is: 5,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.72 : 12,344.74 = 3,551.25 : x
  2. Step 2: Convert to fraction form
    8,236.72/12,344.74 = 3,551.25/x
  3. Step 3: Cross multiply
    8,236.72x = 12,344.74 × 3,551.25
  4. Step 4: Simplify right side
    8,236.72x = 43,839,257.93
  5. Step 5: Solve for x
    x = 43,839,257.93/8,236.72
  6. Step 6: Final answer
    x = 5,322.42

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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.