Home / 10,947.85-16,420.22-3,552.37

Finding the Fourth Proportional to 10,947.85, 16,420.22 and 3,552.37

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Solution

The fourth proportional to 10,947.85, 16,420.22 and 3,552.37 is: 5,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.85 : 16,420.22 = 3,552.37 : x
  2. Step 2: Convert to fraction form
    10,947.85/16,420.22 = 3,552.37/x
  3. Step 3: Cross multiply
    10,947.85x = 16,420.22 × 3,552.37
  4. Step 4: Simplify right side
    10,947.85x = 58,330,664.75
  5. Step 5: Solve for x
    x = 58,330,664.75/10,947.85
  6. Step 6: Final answer
    x = 5,328.05

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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.