Home / 11,760.92-16,230.12-6,456.32

Finding the Fourth Proportional to 11,760.92, 16,230.12 and 6,456.32

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Solution

The fourth proportional to 11,760.92, 16,230.12 and 6,456.32 is: 8,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.92 : 16,230.12 = 6,456.32 : x
  2. Step 2: Convert to fraction form
    11,760.92/16,230.12 = 6,456.32/x
  3. Step 3: Cross multiply
    11,760.92x = 16,230.12 × 6,456.32
  4. Step 4: Simplify right side
    11,760.92x = 104,786,848.36
  5. Step 5: Solve for x
    x = 104,786,848.36/11,760.92
  6. Step 6: Final answer
    x = 8,909.75

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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.