Home / 7,949.94-11,923.56-2,107.14

Finding the Fourth Proportional to 7,949.94, 11,923.56 and 2,107.14

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Solution

The fourth proportional to 7,949.94, 11,923.56 and 2,107.14 is: 3,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.94 : 11,923.56 = 2,107.14 : x
  2. Step 2: Convert to fraction form
    7,949.94/11,923.56 = 2,107.14/x
  3. Step 3: Cross multiply
    7,949.94x = 11,923.56 × 2,107.14
  4. Step 4: Simplify right side
    7,949.94x = 25,124,610.22
  5. Step 5: Solve for x
    x = 25,124,610.22/7,949.94
  6. Step 6: Final answer
    x = 3,160.35

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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.