Home / 11,915.96-16,443.88-6,610.73

Finding the Fourth Proportional to 11,915.96, 16,443.88 and 6,610.73

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Solution

The fourth proportional to 11,915.96, 16,443.88 and 6,610.73 is: 9,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.96 : 16,443.88 = 6,610.73 : x
  2. Step 2: Convert to fraction form
    11,915.96/16,443.88 = 6,610.73/x
  3. Step 3: Cross multiply
    11,915.96x = 16,443.88 × 6,610.73
  4. Step 4: Simplify right side
    11,915.96x = 108,705,952.09
  5. Step 5: Solve for x
    x = 108,705,952.09/11,915.96
  6. Step 6: Final answer
    x = 9,122.72

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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.