Home / 11,102.22-16,645.10-6,718.64

Finding the Fourth Proportional to 11,102.22, 16,645.10 and 6,718.64

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Solution

The fourth proportional to 11,102.22, 16,645.10 and 6,718.64 is: 10,072.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.22 : 16,645.10 = 6,718.64 : x
  2. Step 2: Convert to fraction form
    11,102.22/16,645.10 = 6,718.64/x
  3. Step 3: Cross multiply
    11,102.22x = 16,645.10 × 6,718.64
  4. Step 4: Simplify right side
    11,102.22x = 111,832,317.85
  5. Step 5: Solve for x
    x = 111,832,317.85/11,102.22
  6. Step 6: Final answer
    x = 10,072.97

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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.