Home / 11,647.19-17,473.52-3,856

Finding the Fourth Proportional to 11,647.19, 17,473.52 and 3,856

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Solution

The fourth proportional to 11,647.19, 17,473.52 and 3,856 is: 5,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.19 : 17,473.52 = 3,856 : x
  2. Step 2: Convert to fraction form
    11,647.19/17,473.52 = 3,856/x
  3. Step 3: Cross multiply
    11,647.19x = 17,473.52 × 3,856
  4. Step 4: Simplify right side
    11,647.19x = 67,377,893.12
  5. Step 5: Solve for x
    x = 67,377,893.12/11,647.19
  6. Step 6: Final answer
    x = 5,784.91

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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.