Home / 7,729.83-10,667.06-4,192.97

Finding the Fourth Proportional to 7,729.83, 10,667.06 and 4,192.97

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Solution

The fourth proportional to 7,729.83, 10,667.06 and 4,192.97 is: 5,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.83 : 10,667.06 = 4,192.97 : x
  2. Step 2: Convert to fraction form
    7,729.83/10,667.06 = 4,192.97/x
  3. Step 3: Cross multiply
    7,729.83x = 10,667.06 × 4,192.97
  4. Step 4: Simplify right side
    7,729.83x = 44,726,662.57
  5. Step 5: Solve for x
    x = 44,726,662.57/7,729.83
  6. Step 6: Final answer
    x = 5,786.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.