Home / 11,853.62-16,358.46-6,817.83

Finding the Fourth Proportional to 11,853.62, 16,358.46 and 6,817.83

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Solution

The fourth proportional to 11,853.62, 16,358.46 and 6,817.83 is: 9,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.62 : 16,358.46 = 6,817.83 : x
  2. Step 2: Convert to fraction form
    11,853.62/16,358.46 = 6,817.83/x
  3. Step 3: Cross multiply
    11,853.62x = 16,358.46 × 6,817.83
  4. Step 4: Simplify right side
    11,853.62x = 111,529,199.34
  5. Step 5: Solve for x
    x = 111,529,199.34/11,853.62
  6. Step 6: Final answer
    x = 9,408.88

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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.