Home / 11,725.39-17,590.74-3,934

Finding the Fourth Proportional to 11,725.39, 17,590.74 and 3,934

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Solution

The fourth proportional to 11,725.39, 17,590.74 and 3,934 is: 5,901.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.39 : 17,590.74 = 3,934 : x
  2. Step 2: Convert to fraction form
    11,725.39/17,590.74 = 3,934/x
  3. Step 3: Cross multiply
    11,725.39x = 17,590.74 × 3,934
  4. Step 4: Simplify right side
    11,725.39x = 69,201,971.16
  5. Step 5: Solve for x
    x = 69,201,971.16/11,725.39
  6. Step 6: Final answer
    x = 5,901.89

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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.