Home / 11,292.72-16,939.56-3,501.36

Finding the Fourth Proportional to 11,292.72, 16,939.56 and 3,501.36

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Solution

The fourth proportional to 11,292.72, 16,939.56 and 3,501.36 is: 5,252.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.72 : 16,939.56 = 3,501.36 : x
  2. Step 2: Convert to fraction form
    11,292.72/16,939.56 = 3,501.36/x
  3. Step 3: Cross multiply
    11,292.72x = 16,939.56 × 3,501.36
  4. Step 4: Simplify right side
    11,292.72x = 59,311,497.80
  5. Step 5: Solve for x
    x = 59,311,497.80/11,292.72
  6. Step 6: Final answer
    x = 5,252.19

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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.