Home / 11,974.20-16,522.46-6,938.88

Finding the Fourth Proportional to 11,974.20, 16,522.46 and 6,938.88

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Solution

The fourth proportional to 11,974.20, 16,522.46 and 6,938.88 is: 9,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.20 : 16,522.46 = 6,938.88 : x
  2. Step 2: Convert to fraction form
    11,974.20/16,522.46 = 6,938.88/x
  3. Step 3: Cross multiply
    11,974.20x = 16,522.46 × 6,938.88
  4. Step 4: Simplify right side
    11,974.20x = 114,647,367.24
  5. Step 5: Solve for x
    x = 114,647,367.24/11,974.20
  6. Step 6: Final answer
    x = 9,574.53

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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.