Home / 7,209.25-9,939.75-6,015.95

Finding the Fourth Proportional to 7,209.25, 9,939.75 and 6,015.95

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Solution

The fourth proportional to 7,209.25, 9,939.75 and 6,015.95 is: 8,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.25 : 9,939.75 = 6,015.95 : x
  2. Step 2: Convert to fraction form
    7,209.25/9,939.75 = 6,015.95/x
  3. Step 3: Cross multiply
    7,209.25x = 9,939.75 × 6,015.95
  4. Step 4: Simplify right side
    7,209.25x = 59,797,078.90
  5. Step 5: Solve for x
    x = 59,797,078.90/7,209.25
  6. Step 6: Final answer
    x = 8,294.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.