Home / 11,853.35-16,358.09-6,817.56

Finding the Fourth Proportional to 11,853.35, 16,358.09 and 6,817.56

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Solution

The fourth proportional to 11,853.35, 16,358.09 and 6,817.56 is: 9,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.35 : 16,358.09 = 6,817.56 : x
  2. Step 2: Convert to fraction form
    11,853.35/16,358.09 = 6,817.56/x
  3. Step 3: Cross multiply
    11,853.35x = 16,358.09 × 6,817.56
  4. Step 4: Simplify right side
    11,853.35x = 111,522,325.66
  5. Step 5: Solve for x
    x = 111,522,325.66/11,853.35
  6. Step 6: Final answer
    x = 9,408.51

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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.