Home / 10,450.54-15,668.16-3,876.76

Finding the Fourth Proportional to 10,450.54, 15,668.16 and 3,876.76

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Solution

The fourth proportional to 10,450.54, 15,668.16 and 3,876.76 is: 5,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.54 : 15,668.16 = 3,876.76 : x
  2. Step 2: Convert to fraction form
    10,450.54/15,668.16 = 3,876.76/x
  3. Step 3: Cross multiply
    10,450.54x = 15,668.16 × 3,876.76
  4. Step 4: Simplify right side
    10,450.54x = 60,741,695.96
  5. Step 5: Solve for x
    x = 60,741,695.96/10,450.54
  6. Step 6: Final answer
    x = 5,812.30

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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.