Home / 11,313.55-16,976.94-4,739.19

Finding the Fourth Proportional to 11,313.55, 16,976.94 and 4,739.19

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Solution

The fourth proportional to 11,313.55, 16,976.94 and 4,739.19 is: 7,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.55 : 16,976.94 = 4,739.19 : x
  2. Step 2: Convert to fraction form
    11,313.55/16,976.94 = 4,739.19/x
  3. Step 3: Cross multiply
    11,313.55x = 16,976.94 × 4,739.19
  4. Step 4: Simplify right side
    11,313.55x = 80,456,944.28
  5. Step 5: Solve for x
    x = 80,456,944.28/11,313.55
  6. Step 6: Final answer
    x = 7,111.56

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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.