Home / 6,922.94-10,385.78-1,992.63

Finding the Fourth Proportional to 6,922.94, 10,385.78 and 1,992.63

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Solution

The fourth proportional to 6,922.94, 10,385.78 and 1,992.63 is: 2,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.94 : 10,385.78 = 1,992.63 : x
  2. Step 2: Convert to fraction form
    6,922.94/10,385.78 = 1,992.63/x
  3. Step 3: Cross multiply
    6,922.94x = 10,385.78 × 1,992.63
  4. Step 4: Simplify right side
    6,922.94x = 20,695,016.80
  5. Step 5: Solve for x
    x = 20,695,016.80/6,922.94
  6. Step 6: Final answer
    x = 2,989.34

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