Home / 10,920.93-16,380.02-3,524.61

Finding the Fourth Proportional to 10,920.93, 16,380.02 and 3,524.61

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Solution

The fourth proportional to 10,920.93, 16,380.02 and 3,524.61 is: 5,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920.93 : 16,380.02 = 3,524.61 : x
  2. Step 2: Convert to fraction form
    10,920.93/16,380.02 = 3,524.61/x
  3. Step 3: Cross multiply
    10,920.93x = 16,380.02 × 3,524.61
  4. Step 4: Simplify right side
    10,920.93x = 57,733,252.53
  5. Step 5: Solve for x
    x = 57,733,252.53/10,920.93
  6. Step 6: Final answer
    x = 5,286.48

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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.