Home / 11,172.27-16,636.91-11,049.56

Finding the Fourth Proportional to 11,172.27, 16,636.91 and 11,049.56

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Solution

The fourth proportional to 11,172.27, 16,636.91 and 11,049.56 is: 16,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.27 : 16,636.91 = 11,049.56 : x
  2. Step 2: Convert to fraction form
    11,172.27/16,636.91 = 11,049.56/x
  3. Step 3: Cross multiply
    11,172.27x = 16,636.91 × 11,049.56
  4. Step 4: Simplify right side
    11,172.27x = 183,830,396.83
  5. Step 5: Solve for x
    x = 183,830,396.83/11,172.27
  6. Step 6: Final answer
    x = 16,454.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.