Home / 9,795.25-13,517.07-5,318.90

Finding the Fourth Proportional to 9,795.25, 13,517.07 and 5,318.90

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Solution

The fourth proportional to 9,795.25, 13,517.07 and 5,318.90 is: 7,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.25 : 13,517.07 = 5,318.90 : x
  2. Step 2: Convert to fraction form
    9,795.25/13,517.07 = 5,318.90/x
  3. Step 3: Cross multiply
    9,795.25x = 13,517.07 × 5,318.90
  4. Step 4: Simplify right side
    9,795.25x = 71,895,943.62
  5. Step 5: Solve for x
    x = 71,895,943.62/9,795.25
  6. Step 6: Final answer
    x = 7,339.88

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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.