Home / 11,974.61-16,524.98-6,939.80

Finding the Fourth Proportional to 11,974.61, 16,524.98 and 6,939.80

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Solution

The fourth proportional to 11,974.61, 16,524.98 and 6,939.80 is: 9,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.61 : 16,524.98 = 6,939.80 : x
  2. Step 2: Convert to fraction form
    11,974.61/16,524.98 = 6,939.80/x
  3. Step 3: Cross multiply
    11,974.61x = 16,524.98 × 6,939.80
  4. Step 4: Simplify right side
    11,974.61x = 114,679,938.88
  5. Step 5: Solve for x
    x = 114,679,938.88/11,974.61
  6. Step 6: Final answer
    x = 9,576.93

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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.