Home / 11,361.30-17,047.53-5,125.62

Finding the Fourth Proportional to 11,361.30, 17,047.53 and 5,125.62

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Solution

The fourth proportional to 11,361.30, 17,047.53 and 5,125.62 is: 7,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.30 : 17,047.53 = 5,125.62 : x
  2. Step 2: Convert to fraction form
    11,361.30/17,047.53 = 5,125.62/x
  3. Step 3: Cross multiply
    11,361.30x = 17,047.53 × 5,125.62
  4. Step 4: Simplify right side
    11,361.30x = 87,379,160.72
  5. Step 5: Solve for x
    x = 87,379,160.72/11,361.30
  6. Step 6: Final answer
    x = 7,690.95

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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.