Home / 11,822.25-17,731.71-3,500.11

Finding the Fourth Proportional to 11,822.25, 17,731.71 and 3,500.11

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Solution

The fourth proportional to 11,822.25, 17,731.71 and 3,500.11 is: 5,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.25 : 17,731.71 = 3,500.11 : x
  2. Step 2: Convert to fraction form
    11,822.25/17,731.71 = 3,500.11/x
  3. Step 3: Cross multiply
    11,822.25x = 17,731.71 × 3,500.11
  4. Step 4: Simplify right side
    11,822.25x = 62,062,957.65
  5. Step 5: Solve for x
    x = 62,062,957.65/11,822.25
  6. Step 6: Final answer
    x = 5,249.67

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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.