Home / 11,135.12-16,698.56-3,341.28

Finding the Fourth Proportional to 11,135.12, 16,698.56 and 3,341.28

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Solution

The fourth proportional to 11,135.12, 16,698.56 and 3,341.28 is: 5,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.12 : 16,698.56 = 3,341.28 : x
  2. Step 2: Convert to fraction form
    11,135.12/16,698.56 = 3,341.28/x
  3. Step 3: Cross multiply
    11,135.12x = 16,698.56 × 3,341.28
  4. Step 4: Simplify right side
    11,135.12x = 55,794,564.56
  5. Step 5: Solve for x
    x = 55,794,564.56/11,135.12
  6. Step 6: Final answer
    x = 5,010.68

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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.