Home / 11,651.81-17,475.21-3,329.61

Finding the Fourth Proportional to 11,651.81, 17,475.21 and 3,329.61

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Solution

The fourth proportional to 11,651.81, 17,475.21 and 3,329.61 is: 4,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.81 : 17,475.21 = 3,329.61 : x
  2. Step 2: Convert to fraction form
    11,651.81/17,475.21 = 3,329.61/x
  3. Step 3: Cross multiply
    11,651.81x = 17,475.21 × 3,329.61
  4. Step 4: Simplify right side
    11,651.81x = 58,185,633.97
  5. Step 5: Solve for x
    x = 58,185,633.97/11,651.81
  6. Step 6: Final answer
    x = 4,993.70

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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.