Home / 7,015.12-10,520.83-2,083.44

Finding the Fourth Proportional to 7,015.12, 10,520.83 and 2,083.44

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Solution

The fourth proportional to 7,015.12, 10,520.83 and 2,083.44 is: 3,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.12 : 10,520.83 = 2,083.44 : x
  2. Step 2: Convert to fraction form
    7,015.12/10,520.83 = 2,083.44/x
  3. Step 3: Cross multiply
    7,015.12x = 10,520.83 × 2,083.44
  4. Step 4: Simplify right side
    7,015.12x = 21,919,518.06
  5. Step 5: Solve for x
    x = 21,919,518.06/7,015.12
  6. Step 6: Final answer
    x = 3,124.61

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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.