Home / 11,313.80-16,947.66-10,148.36

Finding the Fourth Proportional to 11,313.80, 16,947.66 and 10,148.36

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Solution

The fourth proportional to 11,313.80, 16,947.66 and 10,148.36 is: 15,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.80 : 16,947.66 = 10,148.36 : x
  2. Step 2: Convert to fraction form
    11,313.80/16,947.66 = 10,148.36/x
  3. Step 3: Cross multiply
    11,313.80x = 16,947.66 × 10,148.36
  4. Step 4: Simplify right side
    11,313.80x = 171,990,954.84
  5. Step 5: Solve for x
    x = 171,990,954.84/11,313.80
  6. Step 6: Final answer
    x = 15,201.87

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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.