Home / 11,309.13-16,971.62-4,736.97

Finding the Fourth Proportional to 11,309.13, 16,971.62 and 4,736.97

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Solution

The fourth proportional to 11,309.13, 16,971.62 and 4,736.97 is: 7,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.13 : 16,971.62 = 4,736.97 : x
  2. Step 2: Convert to fraction form
    11,309.13/16,971.62 = 4,736.97/x
  3. Step 3: Cross multiply
    11,309.13x = 16,971.62 × 4,736.97
  4. Step 4: Simplify right side
    11,309.13x = 80,394,031.11
  5. Step 5: Solve for x
    x = 80,394,031.11/11,309.13
  6. Step 6: Final answer
    x = 7,108.77

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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.