Home / 10,222.62-15,330.66-3,295.50

Finding the Fourth Proportional to 10,222.62, 15,330.66 and 3,295.50

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Solution

The fourth proportional to 10,222.62, 15,330.66 and 3,295.50 is: 4,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.62 : 15,330.66 = 3,295.50 : x
  2. Step 2: Convert to fraction form
    10,222.62/15,330.66 = 3,295.50/x
  3. Step 3: Cross multiply
    10,222.62x = 15,330.66 × 3,295.50
  4. Step 4: Simplify right side
    10,222.62x = 50,522,190.03
  5. Step 5: Solve for x
    x = 50,522,190.03/10,222.62
  6. Step 6: Final answer
    x = 4,942.20

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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.