Home / 11,005.18-16,508.34-3,214.06

Finding the Fourth Proportional to 11,005.18, 16,508.34 and 3,214.06

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Solution

The fourth proportional to 11,005.18, 16,508.34 and 3,214.06 is: 4,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.18 : 16,508.34 = 3,214.06 : x
  2. Step 2: Convert to fraction form
    11,005.18/16,508.34 = 3,214.06/x
  3. Step 3: Cross multiply
    11,005.18x = 16,508.34 × 3,214.06
  4. Step 4: Simplify right side
    11,005.18x = 53,058,795.26
  5. Step 5: Solve for x
    x = 53,058,795.26/11,005.18
  6. Step 6: Final answer
    x = 4,821.26

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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.