Home / 6,873.32-9,485.21-3,729.50

Finding the Fourth Proportional to 6,873.32, 9,485.21 and 3,729.50

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Solution

The fourth proportional to 6,873.32, 9,485.21 and 3,729.50 is: 5,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.32 : 9,485.21 = 3,729.50 : x
  2. Step 2: Convert to fraction form
    6,873.32/9,485.21 = 3,729.50/x
  3. Step 3: Cross multiply
    6,873.32x = 9,485.21 × 3,729.50
  4. Step 4: Simplify right side
    6,873.32x = 35,375,072.05
  5. Step 5: Solve for x
    x = 35,375,072.05/6,873.32
  6. Step 6: Final answer
    x = 5,146.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.