Home / 7,226.78-10,838.73-3,330.62

Finding the Fourth Proportional to 7,226.78, 10,838.73 and 3,330.62

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Solution

The fourth proportional to 7,226.78, 10,838.73 and 3,330.62 is: 4,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.78 : 10,838.73 = 3,330.62 : x
  2. Step 2: Convert to fraction form
    7,226.78/10,838.73 = 3,330.62/x
  3. Step 3: Cross multiply
    7,226.78x = 10,838.73 × 3,330.62
  4. Step 4: Simplify right side
    7,226.78x = 36,099,690.91
  5. Step 5: Solve for x
    x = 36,099,690.91/7,226.78
  6. Step 6: Final answer
    x = 4,995.27

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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.