Home / 7,945.26-11,919.91-4,661.25

Finding the Fourth Proportional to 7,945.26, 11,919.91 and 4,661.25

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Solution

The fourth proportional to 7,945.26, 11,919.91 and 4,661.25 is: 6,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.26 : 11,919.91 = 4,661.25 : x
  2. Step 2: Convert to fraction form
    7,945.26/11,919.91 = 4,661.25/x
  3. Step 3: Cross multiply
    7,945.26x = 11,919.91 × 4,661.25
  4. Step 4: Simplify right side
    7,945.26x = 55,561,620.89
  5. Step 5: Solve for x
    x = 55,561,620.89/7,945.26
  6. Step 6: Final answer
    x = 6,993.06

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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.