Home / 12,222.73-18,332.46-3,458.41

Finding the Fourth Proportional to 12,222.73, 18,332.46 and 3,458.41

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Solution

The fourth proportional to 12,222.73, 18,332.46 and 3,458.41 is: 5,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.73 : 18,332.46 = 3,458.41 : x
  2. Step 2: Convert to fraction form
    12,222.73/18,332.46 = 3,458.41/x
  3. Step 3: Cross multiply
    12,222.73x = 18,332.46 × 3,458.41
  4. Step 4: Simplify right side
    12,222.73x = 63,401,162.99
  5. Step 5: Solve for x
    x = 63,401,162.99/12,222.73
  6. Step 6: Final answer
    x = 5,187.15

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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.