Home / 11,663.48-17,497.95-3,872.29

Finding the Fourth Proportional to 11,663.48, 17,497.95 and 3,872.29

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Solution

The fourth proportional to 11,663.48, 17,497.95 and 3,872.29 is: 5,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.48 : 17,497.95 = 3,872.29 : x
  2. Step 2: Convert to fraction form
    11,663.48/17,497.95 = 3,872.29/x
  3. Step 3: Cross multiply
    11,663.48x = 17,497.95 × 3,872.29
  4. Step 4: Simplify right side
    11,663.48x = 67,757,136.81
  5. Step 5: Solve for x
    x = 67,757,136.81/11,663.48
  6. Step 6: Final answer
    x = 5,809.34

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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.