Home / 7,707.28-11,567.40-3,328.08

Finding the Fourth Proportional to 7,707.28, 11,567.40 and 3,328.08

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Solution

The fourth proportional to 7,707.28, 11,567.40 and 3,328.08 is: 4,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.28 : 11,567.40 = 3,328.08 : x
  2. Step 2: Convert to fraction form
    7,707.28/11,567.40 = 3,328.08/x
  3. Step 3: Cross multiply
    7,707.28x = 11,567.40 × 3,328.08
  4. Step 4: Simplify right side
    7,707.28x = 38,497,232.59
  5. Step 5: Solve for x
    x = 38,497,232.59/7,707.28
  6. Step 6: Final answer
    x = 4,994.92

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