Home / 11,416.33-17,127.96-8,091.01

Finding the Fourth Proportional to 11,416.33, 17,127.96 and 8,091.01

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Solution

The fourth proportional to 11,416.33, 17,127.96 and 8,091.01 is: 12,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.33 : 17,127.96 = 8,091.01 : x
  2. Step 2: Convert to fraction form
    11,416.33/17,127.96 = 8,091.01/x
  3. Step 3: Cross multiply
    11,416.33x = 17,127.96 × 8,091.01
  4. Step 4: Simplify right side
    11,416.33x = 138,582,495.64
  5. Step 5: Solve for x
    x = 138,582,495.64/11,416.33
  6. Step 6: Final answer
    x = 12,138.97

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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.