Home / 10,939.06-16,406.73-4,363.48

Finding the Fourth Proportional to 10,939.06, 16,406.73 and 4,363.48

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Solution

The fourth proportional to 10,939.06, 16,406.73 and 4,363.48 is: 6,544.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.06 : 16,406.73 = 4,363.48 : x
  2. Step 2: Convert to fraction form
    10,939.06/16,406.73 = 4,363.48/x
  3. Step 3: Cross multiply
    10,939.06x = 16,406.73 × 4,363.48
  4. Step 4: Simplify right side
    10,939.06x = 71,590,438.22
  5. Step 5: Solve for x
    x = 71,590,438.22/10,939.06
  6. Step 6: Final answer
    x = 6,544.48

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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.