Home / 11,169.48-16,755.02-3,378.90

Finding the Fourth Proportional to 11,169.48, 16,755.02 and 3,378.90

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Solution

The fourth proportional to 11,169.48, 16,755.02 and 3,378.90 is: 5,068.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.48 : 16,755.02 = 3,378.90 : x
  2. Step 2: Convert to fraction form
    11,169.48/16,755.02 = 3,378.90/x
  3. Step 3: Cross multiply
    11,169.48x = 16,755.02 × 3,378.90
  4. Step 4: Simplify right side
    11,169.48x = 56,613,537.08
  5. Step 5: Solve for x
    x = 56,613,537.08/11,169.48
  6. Step 6: Final answer
    x = 5,068.59

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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.