Home / 7,968.07-11,949.37-3,039.12

Finding the Fourth Proportional to 7,968.07, 11,949.37 and 3,039.12

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Solution

The fourth proportional to 7,968.07, 11,949.37 and 3,039.12 is: 4,557.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.07 : 11,949.37 = 3,039.12 : x
  2. Step 2: Convert to fraction form
    7,968.07/11,949.37 = 3,039.12/x
  3. Step 3: Cross multiply
    7,968.07x = 11,949.37 × 3,039.12
  4. Step 4: Simplify right side
    7,968.07x = 36,315,578.85
  5. Step 5: Solve for x
    x = 36,315,578.85/7,968.07
  6. Step 6: Final answer
    x = 4,557.64

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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.