Home / 11,447.28-17,173.44-3,655.92

Finding the Fourth Proportional to 11,447.28, 17,173.44 and 3,655.92

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Solution

The fourth proportional to 11,447.28, 17,173.44 and 3,655.92 is: 5,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.28 : 17,173.44 = 3,655.92 : x
  2. Step 2: Convert to fraction form
    11,447.28/17,173.44 = 3,655.92/x
  3. Step 3: Cross multiply
    11,447.28x = 17,173.44 × 3,655.92
  4. Step 4: Simplify right side
    11,447.28x = 62,784,722.76
  5. Step 5: Solve for x
    x = 62,784,722.76/11,447.28
  6. Step 6: Final answer
    x = 5,484.68

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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.