Home / 12,115.34-16,766.43-11,823.98

Finding the Fourth Proportional to 12,115.34, 16,766.43 and 11,823.98

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Solution

The fourth proportional to 12,115.34, 16,766.43 and 11,823.98 is: 16,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115.34 : 16,766.43 = 11,823.98 : x
  2. Step 2: Convert to fraction form
    12,115.34/16,766.43 = 11,823.98/x
  3. Step 3: Cross multiply
    12,115.34x = 16,766.43 × 11,823.98
  4. Step 4: Simplify right side
    12,115.34x = 198,245,932.99
  5. Step 5: Solve for x
    x = 198,245,932.99/12,115.34
  6. Step 6: Final answer
    x = 16,363.22

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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.