Home / 10,608.54-15,912.66-3,213.15

Finding the Fourth Proportional to 10,608.54, 15,912.66 and 3,213.15

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Solution

The fourth proportional to 10,608.54, 15,912.66 and 3,213.15 is: 4,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.54 : 15,912.66 = 3,213.15 : x
  2. Step 2: Convert to fraction form
    10,608.54/15,912.66 = 3,213.15/x
  3. Step 3: Cross multiply
    10,608.54x = 15,912.66 × 3,213.15
  4. Step 4: Simplify right side
    10,608.54x = 51,129,763.48
  5. Step 5: Solve for x
    x = 51,129,763.48/10,608.54
  6. Step 6: Final answer
    x = 4,819.68

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1.5x scale

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.