Home / 11,071.09-16,616.07-5,522.80

Finding the Fourth Proportional to 11,071.09, 16,616.07 and 5,522.80

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Solution

The fourth proportional to 11,071.09, 16,616.07 and 5,522.80 is: 8,288.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.09 : 16,616.07 = 5,522.80 : x
  2. Step 2: Convert to fraction form
    11,071.09/16,616.07 = 5,522.80/x
  3. Step 3: Cross multiply
    11,071.09x = 16,616.07 × 5,522.80
  4. Step 4: Simplify right side
    11,071.09x = 91,767,231.40
  5. Step 5: Solve for x
    x = 91,767,231.40/11,071.09
  6. Step 6: Final answer
    x = 8,288.91

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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.