Home / 7,947.25-11,918.12-2,323.41

Finding the Fourth Proportional to 7,947.25, 11,918.12 and 2,323.41

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Solution

The fourth proportional to 7,947.25, 11,918.12 and 2,323.41 is: 3,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.25 : 11,918.12 = 2,323.41 : x
  2. Step 2: Convert to fraction form
    7,947.25/11,918.12 = 2,323.41/x
  3. Step 3: Cross multiply
    7,947.25x = 11,918.12 × 2,323.41
  4. Step 4: Simplify right side
    7,947.25x = 27,690,720.98
  5. Step 5: Solve for x
    x = 27,690,720.98/7,947.25
  6. Step 6: Final answer
    x = 3,484.31

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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.