Home / 12,969.02-17,896.20-7,380.02

Finding the Fourth Proportional to 12,969.02, 17,896.20 and 7,380.02

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Solution

The fourth proportional to 12,969.02, 17,896.20 and 7,380.02 is: 10,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969.02 : 17,896.20 = 7,380.02 : x
  2. Step 2: Convert to fraction form
    12,969.02/17,896.20 = 7,380.02/x
  3. Step 3: Cross multiply
    12,969.02x = 17,896.20 × 7,380.02
  4. Step 4: Simplify right side
    12,969.02x = 132,074,313.92
  5. Step 5: Solve for x
    x = 132,074,313.92/12,969.02
  6. Step 6: Final answer
    x = 10,183.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.