Home / 11,416.26-17,127.87-8,090.94

Finding the Fourth Proportional to 11,416.26, 17,127.87 and 8,090.94

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Solution

The fourth proportional to 11,416.26, 17,127.87 and 8,090.94 is: 12,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.26 : 17,127.87 = 8,090.94 : x
  2. Step 2: Convert to fraction form
    11,416.26/17,127.87 = 8,090.94/x
  3. Step 3: Cross multiply
    11,416.26x = 17,127.87 × 8,090.94
  4. Step 4: Simplify right side
    11,416.26x = 138,580,602.39
  5. Step 5: Solve for x
    x = 138,580,602.39/11,416.26
  6. Step 6: Final answer
    x = 12,138.88

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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.