Home / 11,835.74-17,755.30-3,935.66

Finding the Fourth Proportional to 11,835.74, 17,755.30 and 3,935.66

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Solution

The fourth proportional to 11,835.74, 17,755.30 and 3,935.66 is: 5,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.74 : 17,755.30 = 3,935.66 : x
  2. Step 2: Convert to fraction form
    11,835.74/17,755.30 = 3,935.66/x
  3. Step 3: Cross multiply
    11,835.74x = 17,755.30 × 3,935.66
  4. Step 4: Simplify right side
    11,835.74x = 69,878,740.14
  5. Step 5: Solve for x
    x = 69,878,740.14/11,835.74
  6. Step 6: Final answer
    x = 5,904.05

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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.