Home / 7,955.52-11,933.48-2,112.12

Finding the Fourth Proportional to 7,955.52, 11,933.48 and 2,112.12

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Solution

The fourth proportional to 7,955.52, 11,933.48 and 2,112.12 is: 3,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.52 : 11,933.48 = 2,112.12 : x
  2. Step 2: Convert to fraction form
    7,955.52/11,933.48 = 2,112.12/x
  3. Step 3: Cross multiply
    7,955.52x = 11,933.48 × 2,112.12
  4. Step 4: Simplify right side
    7,955.52x = 25,204,931.22
  5. Step 5: Solve for x
    x = 25,204,931.22/7,955.52
  6. Step 6: Final answer
    x = 3,168.23

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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.