Home / 8,022.79-12,022.43-4,519.62

Finding the Fourth Proportional to 8,022.79, 12,022.43 and 4,519.62

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Solution

The fourth proportional to 8,022.79, 12,022.43 and 4,519.62 is: 6,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.79 : 12,022.43 = 4,519.62 : x
  2. Step 2: Convert to fraction form
    8,022.79/12,022.43 = 4,519.62/x
  3. Step 3: Cross multiply
    8,022.79x = 12,022.43 × 4,519.62
  4. Step 4: Simplify right side
    8,022.79x = 54,336,792.48
  5. Step 5: Solve for x
    x = 54,336,792.48/8,022.79
  6. Step 6: Final answer
    x = 6,772.80

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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.