Home / 10,809.18-16,208.19-3,412.26

Finding the Fourth Proportional to 10,809.18, 16,208.19 and 3,412.26

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Solution

The fourth proportional to 10,809.18, 16,208.19 and 3,412.26 is: 5,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.18 : 16,208.19 = 3,412.26 : x
  2. Step 2: Convert to fraction form
    10,809.18/16,208.19 = 3,412.26/x
  3. Step 3: Cross multiply
    10,809.18x = 16,208.19 × 3,412.26
  4. Step 4: Simplify right side
    10,809.18x = 55,306,558.41
  5. Step 5: Solve for x
    x = 55,306,558.41/10,809.18
  6. Step 6: Final answer
    x = 5,116.63

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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.