Home / 11,313.18-16,976.38-4,738.81

Finding the Fourth Proportional to 11,313.18, 16,976.38 and 4,738.81

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Solution

The fourth proportional to 11,313.18, 16,976.38 and 4,738.81 is: 7,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.18 : 16,976.38 = 4,738.81 : x
  2. Step 2: Convert to fraction form
    11,313.18/16,976.38 = 4,738.81/x
  3. Step 3: Cross multiply
    11,313.18x = 16,976.38 × 4,738.81
  4. Step 4: Simplify right side
    11,313.18x = 80,447,839.31
  5. Step 5: Solve for x
    x = 80,447,839.31/11,313.18
  6. Step 6: Final answer
    x = 7,110.98

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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.