Home / 7,745.44-10,684.56-5,383.48

Finding the Fourth Proportional to 7,745.44, 10,684.56 and 5,383.48

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Solution

The fourth proportional to 7,745.44, 10,684.56 and 5,383.48 is: 7,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.44 : 10,684.56 = 5,383.48 : x
  2. Step 2: Convert to fraction form
    7,745.44/10,684.56 = 5,383.48/x
  3. Step 3: Cross multiply
    7,745.44x = 10,684.56 × 5,383.48
  4. Step 4: Simplify right side
    7,745.44x = 57,520,115.07
  5. Step 5: Solve for x
    x = 57,520,115.07/7,745.44
  6. Step 6: Final answer
    x = 7,426.32

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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.