Home / 7,106.20-9,806.34-3,962.92

Finding the Fourth Proportional to 7,106.20, 9,806.34 and 3,962.92

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Solution

The fourth proportional to 7,106.20, 9,806.34 and 3,962.92 is: 5,468.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.20 : 9,806.34 = 3,962.92 : x
  2. Step 2: Convert to fraction form
    7,106.20/9,806.34 = 3,962.92/x
  3. Step 3: Cross multiply
    7,106.20x = 9,806.34 × 3,962.92
  4. Step 4: Simplify right side
    7,106.20x = 38,861,740.91
  5. Step 5: Solve for x
    x = 38,861,740.91/7,106.20
  6. Step 6: Final answer
    x = 5,468.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.