Home / 12,468.24-18,686.74-6,229.99

Finding the Fourth Proportional to 12,468.24, 18,686.74 and 6,229.99

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Solution

The fourth proportional to 12,468.24, 18,686.74 and 6,229.99 is: 9,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.24 : 18,686.74 = 6,229.99 : x
  2. Step 2: Convert to fraction form
    12,468.24/18,686.74 = 6,229.99/x
  3. Step 3: Cross multiply
    12,468.24x = 18,686.74 × 6,229.99
  4. Step 4: Simplify right side
    12,468.24x = 116,418,203.33
  5. Step 5: Solve for x
    x = 116,418,203.33/12,468.24
  6. Step 6: Final answer
    x = 9,337.18

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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.