Home / 8,064.78-12,096.84-2,221.24

Finding the Fourth Proportional to 8,064.78, 12,096.84 and 2,221.24

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Solution

The fourth proportional to 8,064.78, 12,096.84 and 2,221.24 is: 3,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.78 : 12,096.84 = 2,221.24 : x
  2. Step 2: Convert to fraction form
    8,064.78/12,096.84 = 2,221.24/x
  3. Step 3: Cross multiply
    8,064.78x = 12,096.84 × 2,221.24
  4. Step 4: Simplify right side
    8,064.78x = 26,869,984.88
  5. Step 5: Solve for x
    x = 26,869,984.88/8,064.78
  6. Step 6: Final answer
    x = 3,331.77

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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.