Home / 7,949.92-11,929.20-3,336.16

Finding the Fourth Proportional to 7,949.92, 11,929.20 and 3,336.16

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Solution

The fourth proportional to 7,949.92, 11,929.20 and 3,336.16 is: 5,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.92 : 11,929.20 = 3,336.16 : x
  2. Step 2: Convert to fraction form
    7,949.92/11,929.20 = 3,336.16/x
  3. Step 3: Cross multiply
    7,949.92x = 11,929.20 × 3,336.16
  4. Step 4: Simplify right side
    7,949.92x = 39,797,719.87
  5. Step 5: Solve for x
    x = 39,797,719.87/7,949.92
  6. Step 6: Final answer
    x = 5,006.05

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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.