Home / 10,795.80-16,188.18-4,947.38

Finding the Fourth Proportional to 10,795.80, 16,188.18 and 4,947.38

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Solution

The fourth proportional to 10,795.80, 16,188.18 and 4,947.38 is: 7,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,795.80 : 16,188.18 = 4,947.38 : x
  2. Step 2: Convert to fraction form
    10,795.80/16,188.18 = 4,947.38/x
  3. Step 3: Cross multiply
    10,795.80x = 16,188.18 × 4,947.38
  4. Step 4: Simplify right side
    10,795.80x = 80,089,077.97
  5. Step 5: Solve for x
    x = 80,089,077.97/10,795.80
  6. Step 6: Final answer
    x = 7,418.54

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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.