Home / 11,077.12-16,612.10-3,679.59

Finding the Fourth Proportional to 11,077.12, 16,612.10 and 3,679.59

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Solution

The fourth proportional to 11,077.12, 16,612.10 and 3,679.59 is: 5,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.12 : 16,612.10 = 3,679.59 : x
  2. Step 2: Convert to fraction form
    11,077.12/16,612.10 = 3,679.59/x
  3. Step 3: Cross multiply
    11,077.12x = 16,612.10 × 3,679.59
  4. Step 4: Simplify right side
    11,077.12x = 61,125,764.39
  5. Step 5: Solve for x
    x = 61,125,764.39/11,077.12
  6. Step 6: Final answer
    x = 5,518.20

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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.