Home / 10,608.07-15,912.15-3,212.60

Finding the Fourth Proportional to 10,608.07, 15,912.15 and 3,212.60

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Solution

The fourth proportional to 10,608.07, 15,912.15 and 3,212.60 is: 4,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.07 : 15,912.15 = 3,212.60 : x
  2. Step 2: Convert to fraction form
    10,608.07/15,912.15 = 3,212.60/x
  3. Step 3: Cross multiply
    10,608.07x = 15,912.15 × 3,212.60
  4. Step 4: Simplify right side
    10,608.07x = 51,119,293.53
  5. Step 5: Solve for x
    x = 51,119,293.53/10,608.07
  6. Step 6: Final answer
    x = 4,818.91

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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.