Home / 11,182.18-16,772.29-3,786.47

Finding the Fourth Proportional to 11,182.18, 16,772.29 and 3,786.47

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Solution

The fourth proportional to 11,182.18, 16,772.29 and 3,786.47 is: 5,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.18 : 16,772.29 = 3,786.47 : x
  2. Step 2: Convert to fraction form
    11,182.18/16,772.29 = 3,786.47/x
  3. Step 3: Cross multiply
    11,182.18x = 16,772.29 × 3,786.47
  4. Step 4: Simplify right side
    11,182.18x = 63,507,772.92
  5. Step 5: Solve for x
    x = 63,507,772.92/11,182.18
  6. Step 6: Final answer
    x = 5,679.37

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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.