Home / 7,949.53-11,921.66-2,683.12

Finding the Fourth Proportional to 7,949.53, 11,921.66 and 2,683.12

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Solution

The fourth proportional to 7,949.53, 11,921.66 and 2,683.12 is: 4,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.53 : 11,921.66 = 2,683.12 : x
  2. Step 2: Convert to fraction form
    7,949.53/11,921.66 = 2,683.12/x
  3. Step 3: Cross multiply
    7,949.53x = 11,921.66 × 2,683.12
  4. Step 4: Simplify right side
    7,949.53x = 31,987,244.38
  5. Step 5: Solve for x
    x = 31,987,244.38/7,949.53
  6. Step 6: Final answer
    x = 4,023.79

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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.