Home / 7,837.84-11,742.20-3,944.96

Finding the Fourth Proportional to 7,837.84, 11,742.20 and 3,944.96

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Solution

The fourth proportional to 7,837.84, 11,742.20 and 3,944.96 is: 5,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.84 : 11,742.20 = 3,944.96 : x
  2. Step 2: Convert to fraction form
    7,837.84/11,742.20 = 3,944.96/x
  3. Step 3: Cross multiply
    7,837.84x = 11,742.20 × 3,944.96
  4. Step 4: Simplify right side
    7,837.84x = 46,322,509.31
  5. Step 5: Solve for x
    x = 46,322,509.31/7,837.84
  6. Step 6: Final answer
    x = 5,910.11

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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.