Home / 10,679.38-16,020.60-3,284.46

Finding the Fourth Proportional to 10,679.38, 16,020.60 and 3,284.46

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Solution

The fourth proportional to 10,679.38, 16,020.60 and 3,284.46 is: 4,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.38 : 16,020.60 = 3,284.46 : x
  2. Step 2: Convert to fraction form
    10,679.38/16,020.60 = 3,284.46/x
  3. Step 3: Cross multiply
    10,679.38x = 16,020.60 × 3,284.46
  4. Step 4: Simplify right side
    10,679.38x = 52,619,019.88
  5. Step 5: Solve for x
    x = 52,619,019.88/10,679.38
  6. Step 6: Final answer
    x = 4,927.16

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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.