Home / 9,137.46-13,706.14-2,211.96

Finding the Fourth Proportional to 9,137.46, 13,706.14 and 2,211.96

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Solution

The fourth proportional to 9,137.46, 13,706.14 and 2,211.96 is: 3,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.46 : 13,706.14 = 2,211.96 : x
  2. Step 2: Convert to fraction form
    9,137.46/13,706.14 = 2,211.96/x
  3. Step 3: Cross multiply
    9,137.46x = 13,706.14 × 2,211.96
  4. Step 4: Simplify right side
    9,137.46x = 30,317,433.43
  5. Step 5: Solve for x
    x = 30,317,433.43/9,137.46
  6. Step 6: Final answer
    x = 3,317.93

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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.