Home / 11,313.24-16,976.47-4,738.87

Finding the Fourth Proportional to 11,313.24, 16,976.47 and 4,738.87

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Solution

The fourth proportional to 11,313.24, 16,976.47 and 4,738.87 is: 7,111.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.24 : 16,976.47 = 4,738.87 : x
  2. Step 2: Convert to fraction form
    11,313.24/16,976.47 = 4,738.87/x
  3. Step 3: Cross multiply
    11,313.24x = 16,976.47 × 4,738.87
  4. Step 4: Simplify right side
    11,313.24x = 80,449,284.39
  5. Step 5: Solve for x
    x = 80,449,284.39/11,313.24
  6. Step 6: Final answer
    x = 7,111.07

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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.