Home / 11,721.49-17,582.09-4,703.29

Finding the Fourth Proportional to 11,721.49, 17,582.09 and 4,703.29

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Solution

The fourth proportional to 11,721.49, 17,582.09 and 4,703.29 is: 7,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.49 : 17,582.09 = 4,703.29 : x
  2. Step 2: Convert to fraction form
    11,721.49/17,582.09 = 4,703.29/x
  3. Step 3: Cross multiply
    11,721.49x = 17,582.09 × 4,703.29
  4. Step 4: Simplify right side
    11,721.49x = 82,693,591.92
  5. Step 5: Solve for x
    x = 82,693,591.92/11,721.49
  6. Step 6: Final answer
    x = 7,054.87

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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.