Home / 11,311.94-15,608.72-6,466.60

Finding the Fourth Proportional to 11,311.94, 15,608.72 and 6,466.60

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Solution

The fourth proportional to 11,311.94, 15,608.72 and 6,466.60 is: 8,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.94 : 15,608.72 = 6,466.60 : x
  2. Step 2: Convert to fraction form
    11,311.94/15,608.72 = 6,466.60/x
  3. Step 3: Cross multiply
    11,311.94x = 15,608.72 × 6,466.60
  4. Step 4: Simplify right side
    11,311.94x = 100,935,348.75
  5. Step 5: Solve for x
    x = 100,935,348.75/11,311.94
  6. Step 6: Final answer
    x = 8,922.90

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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.