Home / 11,862.53-16,374.17-8,326.61

Finding the Fourth Proportional to 11,862.53, 16,374.17 and 8,326.61

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Solution

The fourth proportional to 11,862.53, 16,374.17 and 8,326.61 is: 11,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.53 : 16,374.17 = 8,326.61 : x
  2. Step 2: Convert to fraction form
    11,862.53/16,374.17 = 8,326.61/x
  3. Step 3: Cross multiply
    11,862.53x = 16,374.17 × 8,326.61
  4. Step 4: Simplify right side
    11,862.53x = 136,341,266.61
  5. Step 5: Solve for x
    x = 136,341,266.61/11,862.53
  6. Step 6: Final answer
    x = 11,493.44

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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.