Home / 7,393.20-11,087.56-2,712.10

Finding the Fourth Proportional to 7,393.20, 11,087.56 and 2,712.10

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Solution

The fourth proportional to 7,393.20, 11,087.56 and 2,712.10 is: 4,067.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.20 : 11,087.56 = 2,712.10 : x
  2. Step 2: Convert to fraction form
    7,393.20/11,087.56 = 2,712.10/x
  3. Step 3: Cross multiply
    7,393.20x = 11,087.56 × 2,712.10
  4. Step 4: Simplify right side
    7,393.20x = 30,070,571.48
  5. Step 5: Solve for x
    x = 30,070,571.48/7,393.20
  6. Step 6: Final answer
    x = 4,067.33

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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.