Home / 8,480.08-12,722.70-4,096.72

Finding the Fourth Proportional to 8,480.08, 12,722.70 and 4,096.72

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Solution

The fourth proportional to 8,480.08, 12,722.70 and 4,096.72 is: 6,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.08 : 12,722.70 = 4,096.72 : x
  2. Step 2: Convert to fraction form
    8,480.08/12,722.70 = 4,096.72/x
  3. Step 3: Cross multiply
    8,480.08x = 12,722.70 × 4,096.72
  4. Step 4: Simplify right side
    8,480.08x = 52,121,339.54
  5. Step 5: Solve for x
    x = 52,121,339.54/8,480.08
  6. Step 6: Final answer
    x = 6,146.33

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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.