Home / 6,511.24-9,767.37-2,129.14

Finding the Fourth Proportional to 6,511.24, 9,767.37 and 2,129.14

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Solution

The fourth proportional to 6,511.24, 9,767.37 and 2,129.14 is: 3,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.24 : 9,767.37 = 2,129.14 : x
  2. Step 2: Convert to fraction form
    6,511.24/9,767.37 = 2,129.14/x
  3. Step 3: Cross multiply
    6,511.24x = 9,767.37 × 2,129.14
  4. Step 4: Simplify right side
    6,511.24x = 20,796,098.16
  5. Step 5: Solve for x
    x = 20,796,098.16/6,511.24
  6. Step 6: Final answer
    x = 3,193.88

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Why These Related Problems?

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