Home / 7,949.18-11,924.32-3,788.48

Finding the Fourth Proportional to 7,949.18, 11,924.32 and 3,788.48

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Solution

The fourth proportional to 7,949.18, 11,924.32 and 3,788.48 is: 5,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.18 : 11,924.32 = 3,788.48 : x
  2. Step 2: Convert to fraction form
    7,949.18/11,924.32 = 3,788.48/x
  3. Step 3: Cross multiply
    7,949.18x = 11,924.32 × 3,788.48
  4. Step 4: Simplify right side
    7,949.18x = 45,175,047.83
  5. Step 5: Solve for x
    x = 45,175,047.83/7,949.18
  6. Step 6: Final answer
    x = 5,682.98

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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.