Home / 11,380.68-15,705.48-6,601.73

Finding the Fourth Proportional to 11,380.68, 15,705.48 and 6,601.73

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Solution

The fourth proportional to 11,380.68, 15,705.48 and 6,601.73 is: 9,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.68 : 15,705.48 = 6,601.73 : x
  2. Step 2: Convert to fraction form
    11,380.68/15,705.48 = 6,601.73/x
  3. Step 3: Cross multiply
    11,380.68x = 15,705.48 × 6,601.73
  4. Step 4: Simplify right side
    11,380.68x = 103,683,305.47
  5. Step 5: Solve for x
    x = 103,683,305.47/11,380.68
  6. Step 6: Final answer
    x = 9,110.47

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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.