Home / 11,789.09-16,268.97-6,483.80

Finding the Fourth Proportional to 11,789.09, 16,268.97 and 6,483.80

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Solution

The fourth proportional to 11,789.09, 16,268.97 and 6,483.80 is: 8,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.09 : 16,268.97 = 6,483.80 : x
  2. Step 2: Convert to fraction form
    11,789.09/16,268.97 = 6,483.80/x
  3. Step 3: Cross multiply
    11,789.09x = 16,268.97 × 6,483.80
  4. Step 4: Simplify right side
    11,789.09x = 105,484,747.69
  5. Step 5: Solve for x
    x = 105,484,747.69/11,789.09
  6. Step 6: Final answer
    x = 8,947.66

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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.