Home / 11,456.66-17,184.98-3,136.75

Finding the Fourth Proportional to 11,456.66, 17,184.98 and 3,136.75

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Solution

The fourth proportional to 11,456.66, 17,184.98 and 3,136.75 is: 4,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.66 : 17,184.98 = 3,136.75 : x
  2. Step 2: Convert to fraction form
    11,456.66/17,184.98 = 3,136.75/x
  3. Step 3: Cross multiply
    11,456.66x = 17,184.98 × 3,136.75
  4. Step 4: Simplify right side
    11,456.66x = 53,904,986.02
  5. Step 5: Solve for x
    x = 53,904,986.02/11,456.66
  6. Step 6: Final answer
    x = 4,705.12

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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.