Home / 11,351.63-17,027.45-3,143.63

Finding the Fourth Proportional to 11,351.63, 17,027.45 and 3,143.63

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Solution

The fourth proportional to 11,351.63, 17,027.45 and 3,143.63 is: 4,715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.63 : 17,027.45 = 3,143.63 : x
  2. Step 2: Convert to fraction form
    11,351.63/17,027.45 = 3,143.63/x
  3. Step 3: Cross multiply
    11,351.63x = 17,027.45 × 3,143.63
  4. Step 4: Simplify right side
    11,351.63x = 53,527,901.79
  5. Step 5: Solve for x
    x = 53,527,901.79/11,351.63
  6. Step 6: Final answer
    x = 4,715.44

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Double scale
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Similar ratio
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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.