Home / 11,135.42-16,703.82-3,739.28

Finding the Fourth Proportional to 11,135.42, 16,703.82 and 3,739.28

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Solution

The fourth proportional to 11,135.42, 16,703.82 and 3,739.28 is: 5,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.42 : 16,703.82 = 3,739.28 : x
  2. Step 2: Convert to fraction form
    11,135.42/16,703.82 = 3,739.28/x
  3. Step 3: Cross multiply
    11,135.42x = 16,703.82 × 3,739.28
  4. Step 4: Simplify right side
    11,135.42x = 62,460,260.05
  5. Step 5: Solve for x
    x = 62,460,260.05/11,135.42
  6. Step 6: Final answer
    x = 5,609.15

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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.