Home / 11,135.34-16,704.86-4,115.36

Finding the Fourth Proportional to 11,135.34, 16,704.86 and 4,115.36

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Solution

The fourth proportional to 11,135.34, 16,704.86 and 4,115.36 is: 6,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.34 : 16,704.86 = 4,115.36 : x
  2. Step 2: Convert to fraction form
    11,135.34/16,704.86 = 4,115.36/x
  3. Step 3: Cross multiply
    11,135.34x = 16,704.86 × 4,115.36
  4. Step 4: Simplify right side
    11,135.34x = 68,746,533.83
  5. Step 5: Solve for x
    x = 68,746,533.83/11,135.34
  6. Step 6: Final answer
    x = 6,173.73

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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.