Home / 7,520.12-11,282.80-3,359.73

Finding the Fourth Proportional to 7,520.12, 11,282.80 and 3,359.73

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Solution

The fourth proportional to 7,520.12, 11,282.80 and 3,359.73 is: 5,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.12 : 11,282.80 = 3,359.73 : x
  2. Step 2: Convert to fraction form
    7,520.12/11,282.80 = 3,359.73/x
  3. Step 3: Cross multiply
    7,520.12x = 11,282.80 × 3,359.73
  4. Step 4: Simplify right side
    7,520.12x = 37,907,088.43
  5. Step 5: Solve for x
    x = 37,907,088.43/7,520.12
  6. Step 6: Final answer
    x = 5,040.76

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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.