Home / 7,822.95-11,738.12-3,930.09

Finding the Fourth Proportional to 7,822.95, 11,738.12 and 3,930.09

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Solution

The fourth proportional to 7,822.95, 11,738.12 and 3,930.09 is: 5,896.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.95 : 11,738.12 = 3,930.09 : x
  2. Step 2: Convert to fraction form
    7,822.95/11,738.12 = 3,930.09/x
  3. Step 3: Cross multiply
    7,822.95x = 11,738.12 × 3,930.09
  4. Step 4: Simplify right side
    7,822.95x = 46,131,848.38
  5. Step 5: Solve for x
    x = 46,131,848.38/7,822.95
  6. Step 6: Final answer
    x = 5,896.99

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