Home / 10,429.28-15,630.80-7,452.24

Finding the Fourth Proportional to 10,429.28, 15,630.80 and 7,452.24

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Solution

The fourth proportional to 10,429.28, 15,630.80 and 7,452.24 is: 11,168.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.28 : 15,630.80 = 7,452.24 : x
  2. Step 2: Convert to fraction form
    10,429.28/15,630.80 = 7,452.24/x
  3. Step 3: Cross multiply
    10,429.28x = 15,630.80 × 7,452.24
  4. Step 4: Simplify right side
    10,429.28x = 116,484,472.99
  5. Step 5: Solve for x
    x = 116,484,472.99/10,429.28
  6. Step 6: Final answer
    x = 11,168.99

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