Home / 9,621.82-14,416.30-5,231.44

Finding the Fourth Proportional to 9,621.82, 14,416.30 and 5,231.44

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Solution

The fourth proportional to 9,621.82, 14,416.30 and 5,231.44 is: 7,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.82 : 14,416.30 = 5,231.44 : x
  2. Step 2: Convert to fraction form
    9,621.82/14,416.30 = 5,231.44/x
  3. Step 3: Cross multiply
    9,621.82x = 14,416.30 × 5,231.44
  4. Step 4: Simplify right side
    9,621.82x = 75,418,008.47
  5. Step 5: Solve for x
    x = 75,418,008.47/9,621.82
  6. Step 6: Final answer
    x = 7,838.23

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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.