Home / 7,923.22-10,933.71-4,338.12

Finding the Fourth Proportional to 7,923.22, 10,933.71 and 4,338.12

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Solution

The fourth proportional to 7,923.22, 10,933.71 and 4,338.12 is: 5,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.22 : 10,933.71 = 4,338.12 : x
  2. Step 2: Convert to fraction form
    7,923.22/10,933.71 = 4,338.12/x
  3. Step 3: Cross multiply
    7,923.22x = 10,933.71 × 4,338.12
  4. Step 4: Simplify right side
    7,923.22x = 47,431,729.78
  5. Step 5: Solve for x
    x = 47,431,729.78/7,923.22
  6. Step 6: Final answer
    x = 5,986.42

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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.