Home / 11,947.92-16,479-10,604.94

Finding the Fourth Proportional to 11,947.92, 16,479 and 10,604.94

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Solution

The fourth proportional to 11,947.92, 16,479 and 10,604.94 is: 14,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.92 : 16,479 = 10,604.94 : x
  2. Step 2: Convert to fraction form
    11,947.92/16,479 = 10,604.94/x
  3. Step 3: Cross multiply
    11,947.92x = 16,479 × 10,604.94
  4. Step 4: Simplify right side
    11,947.92x = 174,758,806.26
  5. Step 5: Solve for x
    x = 174,758,806.26/11,947.92
  6. Step 6: Final answer
    x = 14,626.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.