Home / 11,235.75-16,851.54-3,739.43

Finding the Fourth Proportional to 11,235.75, 16,851.54 and 3,739.43

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Solution

The fourth proportional to 11,235.75, 16,851.54 and 3,739.43 is: 5,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.75 : 16,851.54 = 3,739.43 : x
  2. Step 2: Convert to fraction form
    11,235.75/16,851.54 = 3,739.43/x
  3. Step 3: Cross multiply
    11,235.75x = 16,851.54 × 3,739.43
  4. Step 4: Simplify right side
    11,235.75x = 63,015,154.22
  5. Step 5: Solve for x
    x = 63,015,154.22/11,235.75
  6. Step 6: Final answer
    x = 5,608.45

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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.