Home / 8,011.16-12,021.96-3,629.06

Finding the Fourth Proportional to 8,011.16, 12,021.96 and 3,629.06

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Solution

The fourth proportional to 8,011.16, 12,021.96 and 3,629.06 is: 5,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.16 : 12,021.96 = 3,629.06 : x
  2. Step 2: Convert to fraction form
    8,011.16/12,021.96 = 3,629.06/x
  3. Step 3: Cross multiply
    8,011.16x = 12,021.96 × 3,629.06
  4. Step 4: Simplify right side
    8,011.16x = 43,628,414.16
  5. Step 5: Solve for x
    x = 43,628,414.16/8,011.16
  6. Step 6: Final answer
    x = 5,445.95

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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.