Home / 9,074.31-13,611.60-3,230.78

Finding the Fourth Proportional to 9,074.31, 13,611.60 and 3,230.78

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Solution

The fourth proportional to 9,074.31, 13,611.60 and 3,230.78 is: 4,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.31 : 13,611.60 = 3,230.78 : x
  2. Step 2: Convert to fraction form
    9,074.31/13,611.60 = 3,230.78/x
  3. Step 3: Cross multiply
    9,074.31x = 13,611.60 × 3,230.78
  4. Step 4: Simplify right side
    9,074.31x = 43,976,016.99
  5. Step 5: Solve for x
    x = 43,976,016.99/9,074.31
  6. Step 6: Final answer
    x = 4,846.21

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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.