Home / 11,110.61-16,647.68-6,729.32

Finding the Fourth Proportional to 11,110.61, 16,647.68 and 6,729.32

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Solution

The fourth proportional to 11,110.61, 16,647.68 and 6,729.32 is: 10,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.61 : 16,647.68 = 6,729.32 : x
  2. Step 2: Convert to fraction form
    11,110.61/16,647.68 = 6,729.32/x
  3. Step 3: Cross multiply
    11,110.61x = 16,647.68 × 6,729.32
  4. Step 4: Simplify right side
    11,110.61x = 112,027,499.56
  5. Step 5: Solve for x
    x = 112,027,499.56/11,110.61
  6. Step 6: Final answer
    x = 10,082.93

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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.