Home / 11,418.66-17,127.63-5,174.10

Finding the Fourth Proportional to 11,418.66, 17,127.63 and 5,174.10

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Solution

The fourth proportional to 11,418.66, 17,127.63 and 5,174.10 is: 7,760.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.66 : 17,127.63 = 5,174.10 : x
  2. Step 2: Convert to fraction form
    11,418.66/17,127.63 = 5,174.10/x
  3. Step 3: Cross multiply
    11,418.66x = 17,127.63 × 5,174.10
  4. Step 4: Simplify right side
    11,418.66x = 88,620,070.38
  5. Step 5: Solve for x
    x = 88,620,070.38/11,418.66
  6. Step 6: Final answer
    x = 7,760.99

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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.