Home / 10,905.80-16,334.40-5,705.60

Finding the Fourth Proportional to 10,905.80, 16,334.40 and 5,705.60

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Solution

The fourth proportional to 10,905.80, 16,334.40 and 5,705.60 is: 8,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.80 : 16,334.40 = 5,705.60 : x
  2. Step 2: Convert to fraction form
    10,905.80/16,334.40 = 5,705.60/x
  3. Step 3: Cross multiply
    10,905.80x = 16,334.40 × 5,705.60
  4. Step 4: Simplify right side
    10,905.80x = 93,197,552.64
  5. Step 5: Solve for x
    x = 93,197,552.64/10,905.80
  6. Step 6: Final answer
    x = 8,545.69

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