Home / 9,183.24-12,677.58-8,286.84

Finding the Fourth Proportional to 9,183.24, 12,677.58 and 8,286.84

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Solution

The fourth proportional to 9,183.24, 12,677.58 and 8,286.84 is: 11,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.24 : 12,677.58 = 8,286.84 : x
  2. Step 2: Convert to fraction form
    9,183.24/12,677.58 = 8,286.84/x
  3. Step 3: Cross multiply
    9,183.24x = 12,677.58 × 8,286.84
  4. Step 4: Simplify right side
    9,183.24x = 105,057,077.05
  5. Step 5: Solve for x
    x = 105,057,077.05/9,183.24
  6. Step 6: Final answer
    x = 11,440.09

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Half scale
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Double scale
Find fourth proportional to 9,184.24, 12,678.96 and 8,287.84
Similar ratio
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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.