Home / 11,777.98-16,253.62-6,472.80

Finding the Fourth Proportional to 11,777.98, 16,253.62 and 6,472.80

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Solution

The fourth proportional to 11,777.98, 16,253.62 and 6,472.80 is: 8,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.98 : 16,253.62 = 6,472.80 : x
  2. Step 2: Convert to fraction form
    11,777.98/16,253.62 = 6,472.80/x
  3. Step 3: Cross multiply
    11,777.98x = 16,253.62 × 6,472.80
  4. Step 4: Simplify right side
    11,777.98x = 105,206,431.54
  5. Step 5: Solve for x
    x = 105,206,431.54/11,777.98
  6. Step 6: Final answer
    x = 8,932.47

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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.