Home / 6,974.91-10,455.30-4,188.54

Finding the Fourth Proportional to 6,974.91, 10,455.30 and 4,188.54

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Solution

The fourth proportional to 6,974.91, 10,455.30 and 4,188.54 is: 6,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.91 : 10,455.30 = 4,188.54 : x
  2. Step 2: Convert to fraction form
    6,974.91/10,455.30 = 4,188.54/x
  3. Step 3: Cross multiply
    6,974.91x = 10,455.30 × 4,188.54
  4. Step 4: Simplify right side
    6,974.91x = 43,792,442.26
  5. Step 5: Solve for x
    x = 43,792,442.26/6,974.91
  6. Step 6: Final answer
    x = 6,278.57

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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.