Home / 11,900.98-17,849.92-3,136.58

Finding the Fourth Proportional to 11,900.98, 17,849.92 and 3,136.58

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Solution

The fourth proportional to 11,900.98, 17,849.92 and 3,136.58 is: 4,704.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.98 : 17,849.92 = 3,136.58 : x
  2. Step 2: Convert to fraction form
    11,900.98/17,849.92 = 3,136.58/x
  3. Step 3: Cross multiply
    11,900.98x = 17,849.92 × 3,136.58
  4. Step 4: Simplify right side
    11,900.98x = 55,987,702.07
  5. Step 5: Solve for x
    x = 55,987,702.07/11,900.98
  6. Step 6: Final answer
    x = 4,704.46

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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.