Home / 10,939.29-16,416.90-4,367.37

Finding the Fourth Proportional to 10,939.29, 16,416.90 and 4,367.37

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Solution

The fourth proportional to 10,939.29, 16,416.90 and 4,367.37 is: 6,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.29 : 16,416.90 = 4,367.37 : x
  2. Step 2: Convert to fraction form
    10,939.29/16,416.90 = 4,367.37/x
  3. Step 3: Cross multiply
    10,939.29x = 16,416.90 × 4,367.37
  4. Step 4: Simplify right side
    10,939.29x = 71,698,676.55
  5. Step 5: Solve for x
    x = 71,698,676.55/10,939.29
  6. Step 6: Final answer
    x = 6,554.23

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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.