Home / 11,771.72-16,245.26-6,466.88

Finding the Fourth Proportional to 11,771.72, 16,245.26 and 6,466.88

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Solution

The fourth proportional to 11,771.72, 16,245.26 and 6,466.88 is: 8,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.72 : 16,245.26 = 6,466.88 : x
  2. Step 2: Convert to fraction form
    11,771.72/16,245.26 = 6,466.88/x
  3. Step 3: Cross multiply
    11,771.72x = 16,245.26 × 6,466.88
  4. Step 4: Simplify right side
    11,771.72x = 105,056,146.99
  5. Step 5: Solve for x
    x = 105,056,146.99/11,771.72
  6. Step 6: Final answer
    x = 8,924.45

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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.