Home / 13,182.62-19,780.41-6,163.11

Finding the Fourth Proportional to 13,182.62, 19,780.41 and 6,163.11

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Solution

The fourth proportional to 13,182.62, 19,780.41 and 6,163.11 is: 9,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.62 : 19,780.41 = 6,163.11 : x
  2. Step 2: Convert to fraction form
    13,182.62/19,780.41 = 6,163.11/x
  3. Step 3: Cross multiply
    13,182.62x = 19,780.41 × 6,163.11
  4. Step 4: Simplify right side
    13,182.62x = 121,908,842.68
  5. Step 5: Solve for x
    x = 121,908,842.68/13,182.62
  6. Step 6: Final answer
    x = 9,247.70

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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.