Home / 7,334.06-10,121.92-4,147.48

Finding the Fourth Proportional to 7,334.06, 10,121.92 and 4,147.48

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Solution

The fourth proportional to 7,334.06, 10,121.92 and 4,147.48 is: 5,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.06 : 10,121.92 = 4,147.48 : x
  2. Step 2: Convert to fraction form
    7,334.06/10,121.92 = 4,147.48/x
  3. Step 3: Cross multiply
    7,334.06x = 10,121.92 × 4,147.48
  4. Step 4: Simplify right side
    7,334.06x = 41,980,463.05
  5. Step 5: Solve for x
    x = 41,980,463.05/7,334.06
  6. Step 6: Final answer
    x = 5,724.05

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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.