Home / 7,517.46-10,370.55-5,000.79

Finding the Fourth Proportional to 7,517.46, 10,370.55 and 5,000.79

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Solution

The fourth proportional to 7,517.46, 10,370.55 and 5,000.79 is: 6,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.46 : 10,370.55 = 5,000.79 : x
  2. Step 2: Convert to fraction form
    7,517.46/10,370.55 = 5,000.79/x
  3. Step 3: Cross multiply
    7,517.46x = 10,370.55 × 5,000.79
  4. Step 4: Simplify right side
    7,517.46x = 51,860,942.73
  5. Step 5: Solve for x
    x = 51,860,942.73/7,517.46
  6. Step 6: Final answer
    x = 6,898.73

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1.5x scale

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.