Home / 11,000.94-15,179.76-6,220.08

Finding the Fourth Proportional to 11,000.94, 15,179.76 and 6,220.08

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Solution

The fourth proportional to 11,000.94, 15,179.76 and 6,220.08 is: 8,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.94 : 15,179.76 = 6,220.08 : x
  2. Step 2: Convert to fraction form
    11,000.94/15,179.76 = 6,220.08/x
  3. Step 3: Cross multiply
    11,000.94x = 15,179.76 × 6,220.08
  4. Step 4: Simplify right side
    11,000.94x = 94,419,321.58
  5. Step 5: Solve for x
    x = 94,419,321.58/11,000.94
  6. Step 6: Final answer
    x = 8,582.84

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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.