Home / 7,148.07-10,716.98-2,215.02

Finding the Fourth Proportional to 7,148.07, 10,716.98 and 2,215.02

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Solution

The fourth proportional to 7,148.07, 10,716.98 and 2,215.02 is: 3,320.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.07 : 10,716.98 = 2,215.02 : x
  2. Step 2: Convert to fraction form
    7,148.07/10,716.98 = 2,215.02/x
  3. Step 3: Cross multiply
    7,148.07x = 10,716.98 × 2,215.02
  4. Step 4: Simplify right side
    7,148.07x = 23,738,342.70
  5. Step 5: Solve for x
    x = 23,738,342.70/7,148.07
  6. Step 6: Final answer
    x = 3,320.94

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