Home / 7,936.11-11,900.32-2,388.42

Finding the Fourth Proportional to 7,936.11, 11,900.32 and 2,388.42

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Solution

The fourth proportional to 7,936.11, 11,900.32 and 2,388.42 is: 3,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.11 : 11,900.32 = 2,388.42 : x
  2. Step 2: Convert to fraction form
    7,936.11/11,900.32 = 2,388.42/x
  3. Step 3: Cross multiply
    7,936.11x = 11,900.32 × 2,388.42
  4. Step 4: Simplify right side
    7,936.11x = 28,422,962.29
  5. Step 5: Solve for x
    x = 28,422,962.29/7,936.11
  6. Step 6: Final answer
    x = 3,581.47

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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.