Home / 8,015.97-12,023.95-2,172.58

Finding the Fourth Proportional to 8,015.97, 12,023.95 and 2,172.58

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Solution

The fourth proportional to 8,015.97, 12,023.95 and 2,172.58 is: 3,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.97 : 12,023.95 = 2,172.58 : x
  2. Step 2: Convert to fraction form
    8,015.97/12,023.95 = 2,172.58/x
  3. Step 3: Cross multiply
    8,015.97x = 12,023.95 × 2,172.58
  4. Step 4: Simplify right side
    8,015.97x = 26,122,993.29
  5. Step 5: Solve for x
    x = 26,122,993.29/8,015.97
  6. Step 6: Final answer
    x = 3,258.87

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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.