Home / 11,656.40-17,491-5,500.24

Finding the Fourth Proportional to 11,656.40, 17,491 and 5,500.24

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Solution

The fourth proportional to 11,656.40, 17,491 and 5,500.24 is: 8,253.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.40 : 17,491 = 5,500.24 : x
  2. Step 2: Convert to fraction form
    11,656.40/17,491 = 5,500.24/x
  3. Step 3: Cross multiply
    11,656.40x = 17,491 × 5,500.24
  4. Step 4: Simplify right side
    11,656.40x = 96,204,697.84
  5. Step 5: Solve for x
    x = 96,204,697.84/11,656.40
  6. Step 6: Final answer
    x = 8,253.38

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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.