Home / 11,621.52-17,424.96-3,828.24

Finding the Fourth Proportional to 11,621.52, 17,424.96 and 3,828.24

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Solution

The fourth proportional to 11,621.52, 17,424.96 and 3,828.24 is: 5,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.52 : 17,424.96 = 3,828.24 : x
  2. Step 2: Convert to fraction form
    11,621.52/17,424.96 = 3,828.24/x
  3. Step 3: Cross multiply
    11,621.52x = 17,424.96 × 3,828.24
  4. Step 4: Simplify right side
    11,621.52x = 66,706,928.87
  5. Step 5: Solve for x
    x = 66,706,928.87/11,621.52
  6. Step 6: Final answer
    x = 5,739.95

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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.