Home / 8,743.94-13,113.18-3,808.61

Finding the Fourth Proportional to 8,743.94, 13,113.18 and 3,808.61

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Solution

The fourth proportional to 8,743.94, 13,113.18 and 3,808.61 is: 5,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.94 : 13,113.18 = 3,808.61 : x
  2. Step 2: Convert to fraction form
    8,743.94/13,113.18 = 3,808.61/x
  3. Step 3: Cross multiply
    8,743.94x = 13,113.18 × 3,808.61
  4. Step 4: Simplify right side
    8,743.94x = 49,942,988.48
  5. Step 5: Solve for x
    x = 49,942,988.48/8,743.94
  6. Step 6: Final answer
    x = 5,711.73

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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.