Home / 8,083.32-12,122.82-3,698.52

Finding the Fourth Proportional to 8,083.32, 12,122.82 and 3,698.52

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Solution

The fourth proportional to 8,083.32, 12,122.82 and 3,698.52 is: 5,546.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.32 : 12,122.82 = 3,698.52 : x
  2. Step 2: Convert to fraction form
    8,083.32/12,122.82 = 3,698.52/x
  3. Step 3: Cross multiply
    8,083.32x = 12,122.82 × 3,698.52
  4. Step 4: Simplify right side
    8,083.32x = 44,836,492.23
  5. Step 5: Solve for x
    x = 44,836,492.23/8,083.32
  6. Step 6: Final answer
    x = 5,546.79

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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.