Home / 11,039.61-15,234.78-6,323.79

Finding the Fourth Proportional to 11,039.61, 15,234.78 and 6,323.79

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Solution

The fourth proportional to 11,039.61, 15,234.78 and 6,323.79 is: 8,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.61 : 15,234.78 = 6,323.79 : x
  2. Step 2: Convert to fraction form
    11,039.61/15,234.78 = 6,323.79/x
  3. Step 3: Cross multiply
    11,039.61x = 15,234.78 × 6,323.79
  4. Step 4: Simplify right side
    11,039.61x = 96,341,549.42
  5. Step 5: Solve for x
    x = 96,341,549.42/11,039.61
  6. Step 6: Final answer
    x = 8,726.90

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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.