Home / 11,770.62-16,243.54-6,465.80

Finding the Fourth Proportional to 11,770.62, 16,243.54 and 6,465.80

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Solution

The fourth proportional to 11,770.62, 16,243.54 and 6,465.80 is: 8,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.62 : 16,243.54 = 6,465.80 : x
  2. Step 2: Convert to fraction form
    11,770.62/16,243.54 = 6,465.80/x
  3. Step 3: Cross multiply
    11,770.62x = 16,243.54 × 6,465.80
  4. Step 4: Simplify right side
    11,770.62x = 105,027,480.93
  5. Step 5: Solve for x
    x = 105,027,480.93/11,770.62
  6. Step 6: Final answer
    x = 8,922.85

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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.