Home / 10,222.56-15,336.72-3,297.60

Finding the Fourth Proportional to 10,222.56, 15,336.72 and 3,297.60

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Solution

The fourth proportional to 10,222.56, 15,336.72 and 3,297.60 is: 4,947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.56 : 15,336.72 = 3,297.60 : x
  2. Step 2: Convert to fraction form
    10,222.56/15,336.72 = 3,297.60/x
  3. Step 3: Cross multiply
    10,222.56x = 15,336.72 × 3,297.60
  4. Step 4: Simplify right side
    10,222.56x = 50,574,367.87
  5. Step 5: Solve for x
    x = 50,574,367.87/10,222.56
  6. Step 6: Final answer
    x = 4,947.33

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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.