Home / 7,426.42-11,144.25-6,734.34

Finding the Fourth Proportional to 7,426.42, 11,144.25 and 6,734.34

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Solution

The fourth proportional to 7,426.42, 11,144.25 and 6,734.34 is: 10,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.42 : 11,144.25 = 6,734.34 : x
  2. Step 2: Convert to fraction form
    7,426.42/11,144.25 = 6,734.34/x
  3. Step 3: Cross multiply
    7,426.42x = 11,144.25 × 6,734.34
  4. Step 4: Simplify right side
    7,426.42x = 75,049,168.55
  5. Step 5: Solve for x
    x = 75,049,168.55/7,426.42
  6. Step 6: Final answer
    x = 10,105.70

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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.