Home / 11,740.10-17,611.68-3,839.86

Finding the Fourth Proportional to 11,740.10, 17,611.68 and 3,839.86

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Solution

The fourth proportional to 11,740.10, 17,611.68 and 3,839.86 is: 5,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.10 : 17,611.68 = 3,839.86 : x
  2. Step 2: Convert to fraction form
    11,740.10/17,611.68 = 3,839.86/x
  3. Step 3: Cross multiply
    11,740.10x = 17,611.68 × 3,839.86
  4. Step 4: Simplify right side
    11,740.10x = 67,626,297.51
  5. Step 5: Solve for x
    x = 67,626,297.51/11,740.10
  6. Step 6: Final answer
    x = 5,760.28

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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.