Home / 11,135.89-16,705.71-4,115.93

Finding the Fourth Proportional to 11,135.89, 16,705.71 and 4,115.93

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Solution

The fourth proportional to 11,135.89, 16,705.71 and 4,115.93 is: 6,174.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.89 : 16,705.71 = 4,115.93 : x
  2. Step 2: Convert to fraction form
    11,135.89/16,705.71 = 4,115.93/x
  3. Step 3: Cross multiply
    11,135.89x = 16,705.71 × 4,115.93
  4. Step 4: Simplify right side
    11,135.89x = 68,759,449.43
  5. Step 5: Solve for x
    x = 68,759,449.43/11,135.89
  6. Step 6: Final answer
    x = 6,174.58

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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.