Home / 7,122.69-10,684.04-4,517.73

Finding the Fourth Proportional to 7,122.69, 10,684.04 and 4,517.73

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Solution

The fourth proportional to 7,122.69, 10,684.04 and 4,517.73 is: 6,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.69 : 10,684.04 = 4,517.73 : x
  2. Step 2: Convert to fraction form
    7,122.69/10,684.04 = 4,517.73/x
  3. Step 3: Cross multiply
    7,122.69x = 10,684.04 × 4,517.73
  4. Step 4: Simplify right side
    7,122.69x = 48,267,585.44
  5. Step 5: Solve for x
    x = 48,267,585.44/7,122.69
  6. Step 6: Final answer
    x = 6,776.60

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Similar ratio
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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.