Home / 6,922.40-10,387.38-3,226.38

Finding the Fourth Proportional to 6,922.40, 10,387.38 and 3,226.38

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Solution

The fourth proportional to 6,922.40, 10,387.38 and 3,226.38 is: 4,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.40 : 10,387.38 = 3,226.38 : x
  2. Step 2: Convert to fraction form
    6,922.40/10,387.38 = 3,226.38/x
  3. Step 3: Cross multiply
    6,922.40x = 10,387.38 × 3,226.38
  4. Step 4: Simplify right side
    6,922.40x = 33,513,635.08
  5. Step 5: Solve for x
    x = 33,513,635.08/6,922.40
  6. Step 6: Final answer
    x = 4,841.33

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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.