Home / 10,958.06-16,441.19-5,689.78

Finding the Fourth Proportional to 10,958.06, 16,441.19 and 5,689.78

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Solution

The fourth proportional to 10,958.06, 16,441.19 and 5,689.78 is: 8,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.06 : 16,441.19 = 5,689.78 : x
  2. Step 2: Convert to fraction form
    10,958.06/16,441.19 = 5,689.78/x
  3. Step 3: Cross multiply
    10,958.06x = 16,441.19 × 5,689.78
  4. Step 4: Simplify right side
    10,958.06x = 93,546,725.59
  5. Step 5: Solve for x
    x = 93,546,725.59/10,958.06
  6. Step 6: Final answer
    x = 8,536.80

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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.