Home / 8,081.73-12,122.60-2,535.51

Finding the Fourth Proportional to 8,081.73, 12,122.60 and 2,535.51

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Solution

The fourth proportional to 8,081.73, 12,122.60 and 2,535.51 is: 3,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.73 : 12,122.60 = 2,535.51 : x
  2. Step 2: Convert to fraction form
    8,081.73/12,122.60 = 2,535.51/x
  3. Step 3: Cross multiply
    8,081.73x = 12,122.60 × 2,535.51
  4. Step 4: Simplify right side
    8,081.73x = 30,736,973.53
  5. Step 5: Solve for x
    x = 30,736,973.53/8,081.73
  6. Step 6: Final answer
    x = 3,803.27

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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.