Home / 10,966.33-16,451.93-5,119.75

Finding the Fourth Proportional to 10,966.33, 16,451.93 and 5,119.75

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Solution

The fourth proportional to 10,966.33, 16,451.93 and 5,119.75 is: 7,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.33 : 16,451.93 = 5,119.75 : x
  2. Step 2: Convert to fraction form
    10,966.33/16,451.93 = 5,119.75/x
  3. Step 3: Cross multiply
    10,966.33x = 16,451.93 × 5,119.75
  4. Step 4: Simplify right side
    10,966.33x = 84,229,768.62
  5. Step 5: Solve for x
    x = 84,229,768.62/10,966.33
  6. Step 6: Final answer
    x = 7,680.76

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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.