Home / 11,982.30-16,535.52-6,949.44

Finding the Fourth Proportional to 11,982.30, 16,535.52 and 6,949.44

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Solution

The fourth proportional to 11,982.30, 16,535.52 and 6,949.44 is: 9,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.30 : 16,535.52 = 6,949.44 : x
  2. Step 2: Convert to fraction form
    11,982.30/16,535.52 = 6,949.44/x
  3. Step 3: Cross multiply
    11,982.30x = 16,535.52 × 6,949.44
  4. Step 4: Simplify right side
    11,982.30x = 114,912,604.11
  5. Step 5: Solve for x
    x = 114,912,604.11/11,982.30
  6. Step 6: Final answer
    x = 9,590.20

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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.