Home / 11,855.73-16,360.89-6,550.53

Finding the Fourth Proportional to 11,855.73, 16,360.89 and 6,550.53

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Solution

The fourth proportional to 11,855.73, 16,360.89 and 6,550.53 is: 9,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.73 : 16,360.89 = 6,550.53 : x
  2. Step 2: Convert to fraction form
    11,855.73/16,360.89 = 6,550.53/x
  3. Step 3: Cross multiply
    11,855.73x = 16,360.89 × 6,550.53
  4. Step 4: Simplify right side
    11,855.73x = 107,172,500.77
  5. Step 5: Solve for x
    x = 107,172,500.77/11,855.73
  6. Step 6: Final answer
    x = 9,039.72

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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.