Home / 7,092.38-10,640.20-2,162.12

Finding the Fourth Proportional to 7,092.38, 10,640.20 and 2,162.12

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Solution

The fourth proportional to 7,092.38, 10,640.20 and 2,162.12 is: 3,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.38 : 10,640.20 = 2,162.12 : x
  2. Step 2: Convert to fraction form
    7,092.38/10,640.20 = 2,162.12/x
  3. Step 3: Cross multiply
    7,092.38x = 10,640.20 × 2,162.12
  4. Step 4: Simplify right side
    7,092.38x = 23,005,330.62
  5. Step 5: Solve for x
    x = 23,005,330.62/7,092.38
  6. Step 6: Final answer
    x = 3,243.67

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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.