Home / 11,806.49-16,293.80-6,632.78

Finding the Fourth Proportional to 11,806.49, 16,293.80 and 6,632.78

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Solution

The fourth proportional to 11,806.49, 16,293.80 and 6,632.78 is: 9,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.49 : 16,293.80 = 6,632.78 : x
  2. Step 2: Convert to fraction form
    11,806.49/16,293.80 = 6,632.78/x
  3. Step 3: Cross multiply
    11,806.49x = 16,293.80 × 6,632.78
  4. Step 4: Simplify right side
    11,806.49x = 108,073,157.60
  5. Step 5: Solve for x
    x = 108,073,157.60/11,806.49
  6. Step 6: Final answer
    x = 9,153.71

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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.