Home / 11,853.36-16,358.14-6,817.59

Finding the Fourth Proportional to 11,853.36, 16,358.14 and 6,817.59

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Solution

The fourth proportional to 11,853.36, 16,358.14 and 6,817.59 is: 9,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.36 : 16,358.14 = 6,817.59 : x
  2. Step 2: Convert to fraction form
    11,853.36/16,358.14 = 6,817.59/x
  3. Step 3: Cross multiply
    11,853.36x = 16,358.14 × 6,817.59
  4. Step 4: Simplify right side
    11,853.36x = 111,522,992.85
  5. Step 5: Solve for x
    x = 111,522,992.85/11,853.36
  6. Step 6: Final answer
    x = 9,408.55

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Half scale
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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.