Home / 6,974.96-9,622.22-4,140.73

Finding the Fourth Proportional to 6,974.96, 9,622.22 and 4,140.73

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Solution

The fourth proportional to 6,974.96, 9,622.22 and 4,140.73 is: 5,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.96 : 9,622.22 = 4,140.73 : x
  2. Step 2: Convert to fraction form
    6,974.96/9,622.22 = 4,140.73/x
  3. Step 3: Cross multiply
    6,974.96x = 9,622.22 × 4,140.73
  4. Step 4: Simplify right side
    6,974.96x = 39,843,001.32
  5. Step 5: Solve for x
    x = 39,843,001.32/6,974.96
  6. Step 6: Final answer
    x = 5,712.29

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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.