Home / 12,269.88-16,930.50-6,963.66

Finding the Fourth Proportional to 12,269.88, 16,930.50 and 6,963.66

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Solution

The fourth proportional to 12,269.88, 16,930.50 and 6,963.66 is: 9,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.88 : 16,930.50 = 6,963.66 : x
  2. Step 2: Convert to fraction form
    12,269.88/16,930.50 = 6,963.66/x
  3. Step 3: Cross multiply
    12,269.88x = 16,930.50 × 6,963.66
  4. Step 4: Simplify right side
    12,269.88x = 117,898,245.63
  5. Step 5: Solve for x
    x = 117,898,245.63/12,269.88
  6. Step 6: Final answer
    x = 9,608.75

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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.