Home / 11,426.22-17,111.66-7,906.36

Finding the Fourth Proportional to 11,426.22, 17,111.66 and 7,906.36

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Solution

The fourth proportional to 11,426.22, 17,111.66 and 7,906.36 is: 11,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.22 : 17,111.66 = 7,906.36 : x
  2. Step 2: Convert to fraction form
    11,426.22/17,111.66 = 7,906.36/x
  3. Step 3: Cross multiply
    11,426.22x = 17,111.66 × 7,906.36
  4. Step 4: Simplify right side
    11,426.22x = 135,290,944.16
  5. Step 5: Solve for x
    x = 135,290,944.16/11,426.22
  6. Step 6: Final answer
    x = 11,840.39

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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.