Home / 7,274.12-10,912.24-2,342.12

Finding the Fourth Proportional to 7,274.12, 10,912.24 and 2,342.12

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Solution

The fourth proportional to 7,274.12, 10,912.24 and 2,342.12 is: 3,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.12 : 10,912.24 = 2,342.12 : x
  2. Step 2: Convert to fraction form
    7,274.12/10,912.24 = 2,342.12/x
  3. Step 3: Cross multiply
    7,274.12x = 10,912.24 × 2,342.12
  4. Step 4: Simplify right side
    7,274.12x = 25,557,775.55
  5. Step 5: Solve for x
    x = 25,557,775.55/7,274.12
  6. Step 6: Final answer
    x = 3,513.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.