Home / 9,763.15-13,473.19-5,286.90

Finding the Fourth Proportional to 9,763.15, 13,473.19 and 5,286.90

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Solution

The fourth proportional to 9,763.15, 13,473.19 and 5,286.90 is: 7,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763.15 : 13,473.19 = 5,286.90 : x
  2. Step 2: Convert to fraction form
    9,763.15/13,473.19 = 5,286.90/x
  3. Step 3: Cross multiply
    9,763.15x = 13,473.19 × 5,286.90
  4. Step 4: Simplify right side
    9,763.15x = 71,231,435.61
  5. Step 5: Solve for x
    x = 71,231,435.61/9,763.15
  6. Step 6: Final answer
    x = 7,295.95

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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.