Home / 9,321.16-13,983.36-5,424.52

Finding the Fourth Proportional to 9,321.16, 13,983.36 and 5,424.52

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Solution

The fourth proportional to 9,321.16, 13,983.36 and 5,424.52 is: 8,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.16 : 13,983.36 = 5,424.52 : x
  2. Step 2: Convert to fraction form
    9,321.16/13,983.36 = 5,424.52/x
  3. Step 3: Cross multiply
    9,321.16x = 13,983.36 × 5,424.52
  4. Step 4: Simplify right side
    9,321.16x = 75,853,015.99
  5. Step 5: Solve for x
    x = 75,853,015.99/9,321.16
  6. Step 6: Final answer
    x = 8,137.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.