Home / 11,149.29-16,701.26-8,946.09

Finding the Fourth Proportional to 11,149.29, 16,701.26 and 8,946.09

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Solution

The fourth proportional to 11,149.29, 16,701.26 and 8,946.09 is: 13,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.29 : 16,701.26 = 8,946.09 : x
  2. Step 2: Convert to fraction form
    11,149.29/16,701.26 = 8,946.09/x
  3. Step 3: Cross multiply
    11,149.29x = 16,701.26 × 8,946.09
  4. Step 4: Simplify right side
    11,149.29x = 149,410,930.34
  5. Step 5: Solve for x
    x = 149,410,930.34/11,149.29
  6. Step 6: Final answer
    x = 13,400.94

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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.