Home / 9,764.18-13,474.49-5,287.87

Finding the Fourth Proportional to 9,764.18, 13,474.49 and 5,287.87

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Solution

The fourth proportional to 9,764.18, 13,474.49 and 5,287.87 is: 7,297.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764.18 : 13,474.49 = 5,287.87 : x
  2. Step 2: Convert to fraction form
    9,764.18/13,474.49 = 5,287.87/x
  3. Step 3: Cross multiply
    9,764.18x = 13,474.49 × 5,287.87
  4. Step 4: Simplify right side
    9,764.18x = 71,251,351.44
  5. Step 5: Solve for x
    x = 71,251,351.44/9,764.18
  6. Step 6: Final answer
    x = 7,297.22

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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.