Home / 11,714.90-17,567.92-3,815.35

Finding the Fourth Proportional to 11,714.90, 17,567.92 and 3,815.35

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Solution

The fourth proportional to 11,714.90, 17,567.92 and 3,815.35 is: 5,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.90 : 17,567.92 = 3,815.35 : x
  2. Step 2: Convert to fraction form
    11,714.90/17,567.92 = 3,815.35/x
  3. Step 3: Cross multiply
    11,714.90x = 17,567.92 × 3,815.35
  4. Step 4: Simplify right side
    11,714.90x = 67,027,763.57
  5. Step 5: Solve for x
    x = 67,027,763.57/11,714.90
  6. Step 6: Final answer
    x = 5,721.58

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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.