Home / 7,932.05-11,895.20-2,665.49

Finding the Fourth Proportional to 7,932.05, 11,895.20 and 2,665.49

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Solution

The fourth proportional to 7,932.05, 11,895.20 and 2,665.49 is: 3,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.05 : 11,895.20 = 2,665.49 : x
  2. Step 2: Convert to fraction form
    7,932.05/11,895.20 = 2,665.49/x
  3. Step 3: Cross multiply
    7,932.05x = 11,895.20 × 2,665.49
  4. Step 4: Simplify right side
    7,932.05x = 31,706,536.65
  5. Step 5: Solve for x
    x = 31,706,536.65/7,932.05
  6. Step 6: Final answer
    x = 3,997.27

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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.