Home / 9,996.20-13,789.86-6,462.44

Finding the Fourth Proportional to 9,996.20, 13,789.86 and 6,462.44

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Solution

The fourth proportional to 9,996.20, 13,789.86 and 6,462.44 is: 8,915.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.20 : 13,789.86 = 6,462.44 : x
  2. Step 2: Convert to fraction form
    9,996.20/13,789.86 = 6,462.44/x
  3. Step 3: Cross multiply
    9,996.20x = 13,789.86 × 6,462.44
  4. Step 4: Simplify right side
    9,996.20x = 89,116,142.86
  5. Step 5: Solve for x
    x = 89,116,142.86/9,996.20
  6. Step 6: Final answer
    x = 8,915.00

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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.