Home / 7,520.72-11,280.47-3,360.96

Finding the Fourth Proportional to 7,520.72, 11,280.47 and 3,360.96

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Solution

The fourth proportional to 7,520.72, 11,280.47 and 3,360.96 is: 5,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.72 : 11,280.47 = 3,360.96 : x
  2. Step 2: Convert to fraction form
    7,520.72/11,280.47 = 3,360.96/x
  3. Step 3: Cross multiply
    7,520.72x = 11,280.47 × 3,360.96
  4. Step 4: Simplify right side
    7,520.72x = 37,913,191.65
  5. Step 5: Solve for x
    x = 37,913,191.65/7,520.72
  6. Step 6: Final answer
    x = 5,041.17

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