Home / 7,457.24-11,171.28-6,815.72

Finding the Fourth Proportional to 7,457.24, 11,171.28 and 6,815.72

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Solution

The fourth proportional to 7,457.24, 11,171.28 and 6,815.72 is: 10,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.24 : 11,171.28 = 6,815.72 : x
  2. Step 2: Convert to fraction form
    7,457.24/11,171.28 = 6,815.72/x
  3. Step 3: Cross multiply
    7,457.24x = 11,171.28 × 6,815.72
  4. Step 4: Simplify right side
    7,457.24x = 76,140,316.52
  5. Step 5: Solve for x
    x = 76,140,316.52/7,457.24
  6. Step 6: Final answer
    x = 10,210.25

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