Home / 8,022.57-12,028.73-3,345.81

Finding the Fourth Proportional to 8,022.57, 12,028.73 and 3,345.81

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Solution

The fourth proportional to 8,022.57, 12,028.73 and 3,345.81 is: 5,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.57 : 12,028.73 = 3,345.81 : x
  2. Step 2: Convert to fraction form
    8,022.57/12,028.73 = 3,345.81/x
  3. Step 3: Cross multiply
    8,022.57x = 12,028.73 × 3,345.81
  4. Step 4: Simplify right side
    8,022.57x = 40,245,792.69
  5. Step 5: Solve for x
    x = 40,245,792.69/8,022.57
  6. Step 6: Final answer
    x = 5,016.57

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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.