Home / 11,620.92-17,424.36-4,687.32

Finding the Fourth Proportional to 11,620.92, 17,424.36 and 4,687.32

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Solution

The fourth proportional to 11,620.92, 17,424.36 and 4,687.32 is: 7,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.92 : 17,424.36 = 4,687.32 : x
  2. Step 2: Convert to fraction form
    11,620.92/17,424.36 = 4,687.32/x
  3. Step 3: Cross multiply
    11,620.92x = 17,424.36 × 4,687.32
  4. Step 4: Simplify right side
    11,620.92x = 81,673,551.12
  5. Step 5: Solve for x
    x = 81,673,551.12/11,620.92
  6. Step 6: Final answer
    x = 7,028.15

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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.