Home / 12,465.24-18,694.68-3,698.12

Finding the Fourth Proportional to 12,465.24, 18,694.68 and 3,698.12

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Solution

The fourth proportional to 12,465.24, 18,694.68 and 3,698.12 is: 5,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.24 : 18,694.68 = 3,698.12 : x
  2. Step 2: Convert to fraction form
    12,465.24/18,694.68 = 3,698.12/x
  3. Step 3: Cross multiply
    12,465.24x = 18,694.68 × 3,698.12
  4. Step 4: Simplify right side
    12,465.24x = 69,135,076.53
  5. Step 5: Solve for x
    x = 69,135,076.53/12,465.24
  6. Step 6: Final answer
    x = 5,546.23

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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.