Home / 11,499.91-17,239.48-4,102.61

Finding the Fourth Proportional to 11,499.91, 17,239.48 and 4,102.61

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Solution

The fourth proportional to 11,499.91, 17,239.48 and 4,102.61 is: 6,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,499.91 : 17,239.48 = 4,102.61 : x
  2. Step 2: Convert to fraction form
    11,499.91/17,239.48 = 4,102.61/x
  3. Step 3: Cross multiply
    11,499.91x = 17,239.48 × 4,102.61
  4. Step 4: Simplify right side
    11,499.91x = 70,726,885.63
  5. Step 5: Solve for x
    x = 70,726,885.63/11,499.91
  6. Step 6: Final answer
    x = 6,150.21

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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.