Home / 6,479.12-9,718.98-2,096.92

Finding the Fourth Proportional to 6,479.12, 9,718.98 and 2,096.92

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Solution

The fourth proportional to 6,479.12, 9,718.98 and 2,096.92 is: 3,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.12 : 9,718.98 = 2,096.92 : x
  2. Step 2: Convert to fraction form
    6,479.12/9,718.98 = 2,096.92/x
  3. Step 3: Cross multiply
    6,479.12x = 9,718.98 × 2,096.92
  4. Step 4: Simplify right side
    6,479.12x = 20,379,923.54
  5. Step 5: Solve for x
    x = 20,379,923.54/6,479.12
  6. Step 6: Final answer
    x = 3,145.48

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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.