Home / 10,666.36-16,001.81-4,092.49

Finding the Fourth Proportional to 10,666.36, 16,001.81 and 4,092.49

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Solution

The fourth proportional to 10,666.36, 16,001.81 and 4,092.49 is: 6,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.36 : 16,001.81 = 4,092.49 : x
  2. Step 2: Convert to fraction form
    10,666.36/16,001.81 = 4,092.49/x
  3. Step 3: Cross multiply
    10,666.36x = 16,001.81 × 4,092.49
  4. Step 4: Simplify right side
    10,666.36x = 65,487,247.41
  5. Step 5: Solve for x
    x = 65,487,247.41/10,666.36
  6. Step 6: Final answer
    x = 6,139.61

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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.