Home / 11,929.58-17,894.37-3,721.58

Finding the Fourth Proportional to 11,929.58, 17,894.37 and 3,721.58

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Solution

The fourth proportional to 11,929.58, 17,894.37 and 3,721.58 is: 5,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.58 : 17,894.37 = 3,721.58 : x
  2. Step 2: Convert to fraction form
    11,929.58/17,894.37 = 3,721.58/x
  3. Step 3: Cross multiply
    11,929.58x = 17,894.37 × 3,721.58
  4. Step 4: Simplify right side
    11,929.58x = 66,595,329.50
  5. Step 5: Solve for x
    x = 66,595,329.50/11,929.58
  6. Step 6: Final answer
    x = 5,582.37

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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.