Home / 11,721.31-17,582.04-4,795.81

Finding the Fourth Proportional to 11,721.31, 17,582.04 and 4,795.81

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Solution

The fourth proportional to 11,721.31, 17,582.04 and 4,795.81 is: 7,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.31 : 17,582.04 = 4,795.81 : x
  2. Step 2: Convert to fraction form
    11,721.31/17,582.04 = 4,795.81/x
  3. Step 3: Cross multiply
    11,721.31x = 17,582.04 × 4,795.81
  4. Step 4: Simplify right side
    11,721.31x = 84,320,123.25
  5. Step 5: Solve for x
    x = 84,320,123.25/11,721.31
  6. Step 6: Final answer
    x = 7,193.75

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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.