Home / 7,936.96-11,901.99-4,238.36

Finding the Fourth Proportional to 7,936.96, 11,901.99 and 4,238.36

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Solution

The fourth proportional to 7,936.96, 11,901.99 and 4,238.36 is: 6,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.96 : 11,901.99 = 4,238.36 : x
  2. Step 2: Convert to fraction form
    7,936.96/11,901.99 = 4,238.36/x
  3. Step 3: Cross multiply
    7,936.96x = 11,901.99 × 4,238.36
  4. Step 4: Simplify right side
    7,936.96x = 50,444,918.34
  5. Step 5: Solve for x
    x = 50,444,918.34/7,936.96
  6. Step 6: Final answer
    x = 6,355.70

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1.5x scale

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.