Home / 10,743.32-16,108.36-3,721.70

Finding the Fourth Proportional to 10,743.32, 16,108.36 and 3,721.70

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Solution

The fourth proportional to 10,743.32, 16,108.36 and 3,721.70 is: 5,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.32 : 16,108.36 = 3,721.70 : x
  2. Step 2: Convert to fraction form
    10,743.32/16,108.36 = 3,721.70/x
  3. Step 3: Cross multiply
    10,743.32x = 16,108.36 × 3,721.70
  4. Step 4: Simplify right side
    10,743.32x = 59,950,514.38
  5. Step 5: Solve for x
    x = 59,950,514.38/10,743.32
  6. Step 6: Final answer
    x = 5,580.26

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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.