Home / 8,077.44-12,113.28-2,529.12

Finding the Fourth Proportional to 8,077.44, 12,113.28 and 2,529.12

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Solution

The fourth proportional to 8,077.44, 12,113.28 and 2,529.12 is: 3,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.44 : 12,113.28 = 2,529.12 : x
  2. Step 2: Convert to fraction form
    8,077.44/12,113.28 = 2,529.12/x
  3. Step 3: Cross multiply
    8,077.44x = 12,113.28 × 2,529.12
  4. Step 4: Simplify right side
    8,077.44x = 30,635,938.71
  5. Step 5: Solve for x
    x = 30,635,938.71/8,077.44
  6. Step 6: Final answer
    x = 3,792.78

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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.