Home / 11,135.78-16,704.08-3,740.48

Finding the Fourth Proportional to 11,135.78, 16,704.08 and 3,740.48

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Solution

The fourth proportional to 11,135.78, 16,704.08 and 3,740.48 is: 5,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.78 : 16,704.08 = 3,740.48 : x
  2. Step 2: Convert to fraction form
    11,135.78/16,704.08 = 3,740.48/x
  3. Step 3: Cross multiply
    11,135.78x = 16,704.08 × 3,740.48
  4. Step 4: Simplify right side
    11,135.78x = 62,481,258.46
  5. Step 5: Solve for x
    x = 62,481,258.46/11,135.78
  6. Step 6: Final answer
    x = 5,610.86

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1.5x scale

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.