Home / 11,789.50-16,269-6,483.97

Finding the Fourth Proportional to 11,789.50, 16,269 and 6,483.97

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Solution

The fourth proportional to 11,789.50, 16,269 and 6,483.97 is: 8,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.50 : 16,269 = 6,483.97 : x
  2. Step 2: Convert to fraction form
    11,789.50/16,269 = 6,483.97/x
  3. Step 3: Cross multiply
    11,789.50x = 16,269 × 6,483.97
  4. Step 4: Simplify right side
    11,789.50x = 105,487,707.93
  5. Step 5: Solve for x
    x = 105,487,707.93/11,789.50
  6. Step 6: Final answer
    x = 8,947.60

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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.