Home / 11,865.45-16,374.66-6,560.61

Finding the Fourth Proportional to 11,865.45, 16,374.66 and 6,560.61

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Solution

The fourth proportional to 11,865.45, 16,374.66 and 6,560.61 is: 9,053.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.45 : 16,374.66 = 6,560.61 : x
  2. Step 2: Convert to fraction form
    11,865.45/16,374.66 = 6,560.61/x
  3. Step 3: Cross multiply
    11,865.45x = 16,374.66 × 6,560.61
  4. Step 4: Simplify right side
    11,865.45x = 107,427,764.24
  5. Step 5: Solve for x
    x = 107,427,764.24/11,865.45
  6. Step 6: Final answer
    x = 9,053.83

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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.