Home / 11,129.94-16,694.98-4,556.12

Finding the Fourth Proportional to 11,129.94, 16,694.98 and 4,556.12

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Solution

The fourth proportional to 11,129.94, 16,694.98 and 4,556.12 is: 6,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.94 : 16,694.98 = 4,556.12 : x
  2. Step 2: Convert to fraction form
    11,129.94/16,694.98 = 4,556.12/x
  3. Step 3: Cross multiply
    11,129.94x = 16,694.98 × 4,556.12
  4. Step 4: Simplify right side
    11,129.94x = 76,064,237.41
  5. Step 5: Solve for x
    x = 76,064,237.41/11,129.94
  6. Step 6: Final answer
    x = 6,834.20

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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.