Home / 11,138.45-16,707.77-3,347.25

Finding the Fourth Proportional to 11,138.45, 16,707.77 and 3,347.25

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Solution

The fourth proportional to 11,138.45, 16,707.77 and 3,347.25 is: 5,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.45 : 16,707.77 = 3,347.25 : x
  2. Step 2: Convert to fraction form
    11,138.45/16,707.77 = 3,347.25/x
  3. Step 3: Cross multiply
    11,138.45x = 16,707.77 × 3,347.25
  4. Step 4: Simplify right side
    11,138.45x = 55,925,066.40
  5. Step 5: Solve for x
    x = 55,925,066.40/11,138.45
  6. Step 6: Final answer
    x = 5,020.90

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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.