Home / 7,331.11-10,115.18-4,144.47

Finding the Fourth Proportional to 7,331.11, 10,115.18 and 4,144.47

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Solution

The fourth proportional to 7,331.11, 10,115.18 and 4,144.47 is: 5,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.11 : 10,115.18 = 4,144.47 : x
  2. Step 2: Convert to fraction form
    7,331.11/10,115.18 = 4,144.47/x
  3. Step 3: Cross multiply
    7,331.11x = 10,115.18 × 4,144.47
  4. Step 4: Simplify right side
    7,331.11x = 41,922,016.94
  5. Step 5: Solve for x
    x = 41,922,016.94/7,331.11
  6. Step 6: Final answer
    x = 5,718.37

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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.