Home / 9,280.22-13,920.35-5,387.36

Finding the Fourth Proportional to 9,280.22, 13,920.35 and 5,387.36

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Solution

The fourth proportional to 9,280.22, 13,920.35 and 5,387.36 is: 8,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.22 : 13,920.35 = 5,387.36 : x
  2. Step 2: Convert to fraction form
    9,280.22/13,920.35 = 5,387.36/x
  3. Step 3: Cross multiply
    9,280.22x = 13,920.35 × 5,387.36
  4. Step 4: Simplify right side
    9,280.22x = 74,993,840.24
  5. Step 5: Solve for x
    x = 74,993,840.24/9,280.22
  6. Step 6: Final answer
    x = 8,081.05

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