Home / 11,760.57-16,230.60-6,456.42

Finding the Fourth Proportional to 11,760.57, 16,230.60 and 6,456.42

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Solution

The fourth proportional to 11,760.57, 16,230.60 and 6,456.42 is: 8,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.57 : 16,230.60 = 6,456.42 : x
  2. Step 2: Convert to fraction form
    11,760.57/16,230.60 = 6,456.42/x
  3. Step 3: Cross multiply
    11,760.57x = 16,230.60 × 6,456.42
  4. Step 4: Simplify right side
    11,760.57x = 104,791,570.45
  5. Step 5: Solve for x
    x = 104,791,570.45/11,760.57
  6. Step 6: Final answer
    x = 8,910.42

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Half scale
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Double 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.