Home / 12,197.08-18,289.84-5,621.32

Finding the Fourth Proportional to 12,197.08, 18,289.84 and 5,621.32

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Solution

The fourth proportional to 12,197.08, 18,289.84 and 5,621.32 is: 8,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.08 : 18,289.84 = 5,621.32 : x
  2. Step 2: Convert to fraction form
    12,197.08/18,289.84 = 5,621.32/x
  3. Step 3: Cross multiply
    12,197.08x = 18,289.84 × 5,621.32
  4. Step 4: Simplify right side
    12,197.08x = 102,813,043.39
  5. Step 5: Solve for x
    x = 102,813,043.39/12,197.08
  6. Step 6: Final answer
    x = 8,429.32

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