Home / 10,679.82-16,021.26-3,284.90

Finding the Fourth Proportional to 10,679.82, 16,021.26 and 3,284.90

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Solution

The fourth proportional to 10,679.82, 16,021.26 and 3,284.90 is: 4,927.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.82 : 16,021.26 = 3,284.90 : x
  2. Step 2: Convert to fraction form
    10,679.82/16,021.26 = 3,284.90/x
  3. Step 3: Cross multiply
    10,679.82x = 16,021.26 × 3,284.90
  4. Step 4: Simplify right side
    10,679.82x = 52,628,216.95
  5. Step 5: Solve for x
    x = 52,628,216.95/10,679.82
  6. Step 6: Final answer
    x = 4,927.82

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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.