Home / 7,192.24-10,786.80-2,261.20

Finding the Fourth Proportional to 7,192.24, 10,786.80 and 2,261.20

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Solution

The fourth proportional to 7,192.24, 10,786.80 and 2,261.20 is: 3,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.24 : 10,786.80 = 2,261.20 : x
  2. Step 2: Convert to fraction form
    7,192.24/10,786.80 = 2,261.20/x
  3. Step 3: Cross multiply
    7,192.24x = 10,786.80 × 2,261.20
  4. Step 4: Simplify right side
    7,192.24x = 24,391,112.16
  5. Step 5: Solve for x
    x = 24,391,112.16/7,192.24
  6. Step 6: Final answer
    x = 3,391.31

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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.