Home / 10,966.98-16,452.88-5,120.40

Finding the Fourth Proportional to 10,966.98, 16,452.88 and 5,120.40

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Solution

The fourth proportional to 10,966.98, 16,452.88 and 5,120.40 is: 7,681.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.98 : 16,452.88 = 5,120.40 : x
  2. Step 2: Convert to fraction form
    10,966.98/16,452.88 = 5,120.40/x
  3. Step 3: Cross multiply
    10,966.98x = 16,452.88 × 5,120.40
  4. Step 4: Simplify right side
    10,966.98x = 84,245,326.75
  5. Step 5: Solve for x
    x = 84,245,326.75/10,966.98
  6. Step 6: Final answer
    x = 7,681.73

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