Home / 11,784.92-16,263.26-6,480.08

Finding the Fourth Proportional to 11,784.92, 16,263.26 and 6,480.08

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Solution

The fourth proportional to 11,784.92, 16,263.26 and 6,480.08 is: 8,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.92 : 16,263.26 = 6,480.08 : x
  2. Step 2: Convert to fraction form
    11,784.92/16,263.26 = 6,480.08/x
  3. Step 3: Cross multiply
    11,784.92x = 16,263.26 × 6,480.08
  4. Step 4: Simplify right side
    11,784.92x = 105,387,234.12
  5. Step 5: Solve for x
    x = 105,387,234.12/11,784.92
  6. Step 6: Final answer
    x = 8,942.55

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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.