Home / 7,334.09-10,120.92-4,147.33

Finding the Fourth Proportional to 7,334.09, 10,120.92 and 4,147.33

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Solution

The fourth proportional to 7,334.09, 10,120.92 and 4,147.33 is: 5,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.09 : 10,120.92 = 4,147.33 : x
  2. Step 2: Convert to fraction form
    7,334.09/10,120.92 = 4,147.33/x
  3. Step 3: Cross multiply
    7,334.09x = 10,120.92 × 4,147.33
  4. Step 4: Simplify right side
    7,334.09x = 41,974,795.14
  5. Step 5: Solve for x
    x = 41,974,795.14/7,334.09
  6. Step 6: Final answer
    x = 5,723.25

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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.