Home / 10,469.45-15,705.88-3,074.15

Finding the Fourth Proportional to 10,469.45, 15,705.88 and 3,074.15

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Solution

The fourth proportional to 10,469.45, 15,705.88 and 3,074.15 is: 4,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469.45 : 15,705.88 = 3,074.15 : x
  2. Step 2: Convert to fraction form
    10,469.45/15,705.88 = 3,074.15/x
  3. Step 3: Cross multiply
    10,469.45x = 15,705.88 × 3,074.15
  4. Step 4: Simplify right side
    10,469.45x = 48,282,144.79
  5. Step 5: Solve for x
    x = 48,282,144.79/10,469.45
  6. Step 6: Final answer
    x = 4,611.72

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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.