Home / 10,684.58-16,028.39-3,289.66

Finding the Fourth Proportional to 10,684.58, 16,028.39 and 3,289.66

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Solution

The fourth proportional to 10,684.58, 16,028.39 and 3,289.66 is: 4,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.58 : 16,028.39 = 3,289.66 : x
  2. Step 2: Convert to fraction form
    10,684.58/16,028.39 = 3,289.66/x
  3. Step 3: Cross multiply
    10,684.58x = 16,028.39 × 3,289.66
  4. Step 4: Simplify right side
    10,684.58x = 52,727,856.86
  5. Step 5: Solve for x
    x = 52,727,856.86/10,684.58
  6. Step 6: Final answer
    x = 4,934.95

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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.