Home / 7,955.37-11,932.14-2,112.45

Finding the Fourth Proportional to 7,955.37, 11,932.14 and 2,112.45

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Solution

The fourth proportional to 7,955.37, 11,932.14 and 2,112.45 is: 3,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.37 : 11,932.14 = 2,112.45 : x
  2. Step 2: Convert to fraction form
    7,955.37/11,932.14 = 2,112.45/x
  3. Step 3: Cross multiply
    7,955.37x = 11,932.14 × 2,112.45
  4. Step 4: Simplify right side
    7,955.37x = 25,206,049.14
  5. Step 5: Solve for x
    x = 25,206,049.14/7,955.37
  6. Step 6: Final answer
    x = 3,168.43

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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.