Home / 10,939.89-16,411.05-4,014.39

Finding the Fourth Proportional to 10,939.89, 16,411.05 and 4,014.39

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Solution

The fourth proportional to 10,939.89, 16,411.05 and 4,014.39 is: 6,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.89 : 16,411.05 = 4,014.39 : x
  2. Step 2: Convert to fraction form
    10,939.89/16,411.05 = 4,014.39/x
  3. Step 3: Cross multiply
    10,939.89x = 16,411.05 × 4,014.39
  4. Step 4: Simplify right side
    10,939.89x = 65,880,355.01
  5. Step 5: Solve for x
    x = 65,880,355.01/10,939.89
  6. Step 6: Final answer
    x = 6,022.03

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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.