Home / 10,163.93-15,245.78-2,768.33

Finding the Fourth Proportional to 10,163.93, 15,245.78 and 2,768.33

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Solution

The fourth proportional to 10,163.93, 15,245.78 and 2,768.33 is: 4,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.93 : 15,245.78 = 2,768.33 : x
  2. Step 2: Convert to fraction form
    10,163.93/15,245.78 = 2,768.33/x
  3. Step 3: Cross multiply
    10,163.93x = 15,245.78 × 2,768.33
  4. Step 4: Simplify right side
    10,163.93x = 42,205,374.42
  5. Step 5: Solve for x
    x = 42,205,374.42/10,163.93
  6. Step 6: Final answer
    x = 4,152.47

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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.