Home / 11,129.62-16,670.17-5,573.27

Finding the Fourth Proportional to 11,129.62, 16,670.17 and 5,573.27

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Solution

The fourth proportional to 11,129.62, 16,670.17 and 5,573.27 is: 8,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.62 : 16,670.17 = 5,573.27 : x
  2. Step 2: Convert to fraction form
    11,129.62/16,670.17 = 5,573.27/x
  3. Step 3: Cross multiply
    11,129.62x = 16,670.17 × 5,573.27
  4. Step 4: Simplify right side
    11,129.62x = 92,907,386.10
  5. Step 5: Solve for x
    x = 92,907,386.10/11,129.62
  6. Step 6: Final answer
    x = 8,347.76

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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.