Home / 7,350.43-10,143.26-4,163.66

Finding the Fourth Proportional to 7,350.43, 10,143.26 and 4,163.66

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Solution

The fourth proportional to 7,350.43, 10,143.26 and 4,163.66 is: 5,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.43 : 10,143.26 = 4,163.66 : x
  2. Step 2: Convert to fraction form
    7,350.43/10,143.26 = 4,163.66/x
  3. Step 3: Cross multiply
    7,350.43x = 10,143.26 × 4,163.66
  4. Step 4: Simplify right side
    7,350.43x = 42,233,058.61
  5. Step 5: Solve for x
    x = 42,233,058.61/7,350.43
  6. Step 6: Final answer
    x = 5,745.66

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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.