Home / 11,760.67-16,229.70-6,455.38

Finding the Fourth Proportional to 11,760.67, 16,229.70 and 6,455.38

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Solution

The fourth proportional to 11,760.67, 16,229.70 and 6,455.38 is: 8,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.67 : 16,229.70 = 6,455.38 : x
  2. Step 2: Convert to fraction form
    11,760.67/16,229.70 = 6,455.38/x
  3. Step 3: Cross multiply
    11,760.67x = 16,229.70 × 6,455.38
  4. Step 4: Simplify right side
    11,760.67x = 104,768,880.79
  5. Step 5: Solve for x
    x = 104,768,880.79/11,760.67
  6. Step 6: Final answer
    x = 8,908.41

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Half scale
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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.