Home / 11,447.36-17,168.27-3,127.42

Finding the Fourth Proportional to 11,447.36, 17,168.27 and 3,127.42

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Solution

The fourth proportional to 11,447.36, 17,168.27 and 3,127.42 is: 4,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.36 : 17,168.27 = 3,127.42 : x
  2. Step 2: Convert to fraction form
    11,447.36/17,168.27 = 3,127.42/x
  3. Step 3: Cross multiply
    11,447.36x = 17,168.27 × 3,127.42
  4. Step 4: Simplify right side
    11,447.36x = 53,692,289.48
  5. Step 5: Solve for x
    x = 53,692,289.48/11,447.36
  6. Step 6: Final answer
    x = 4,690.36

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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.