Home / 7,949.94-11,925.16-3,999.04

Finding the Fourth Proportional to 7,949.94, 11,925.16 and 3,999.04

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Solution

The fourth proportional to 7,949.94, 11,925.16 and 3,999.04 is: 5,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.94 : 11,925.16 = 3,999.04 : x
  2. Step 2: Convert to fraction form
    7,949.94/11,925.16 = 3,999.04/x
  3. Step 3: Cross multiply
    7,949.94x = 11,925.16 × 3,999.04
  4. Step 4: Simplify right side
    7,949.94x = 47,689,132.22
  5. Step 5: Solve for x
    x = 47,689,132.22/7,949.94
  6. Step 6: Final answer
    x = 5,998.68

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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.