Home / 8,173.48-11,279.07-4,636.62

Finding the Fourth Proportional to 8,173.48, 11,279.07 and 4,636.62

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Solution

The fourth proportional to 8,173.48, 11,279.07 and 4,636.62 is: 6,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.48 : 11,279.07 = 4,636.62 : x
  2. Step 2: Convert to fraction form
    8,173.48/11,279.07 = 4,636.62/x
  3. Step 3: Cross multiply
    8,173.48x = 11,279.07 × 4,636.62
  4. Step 4: Simplify right side
    8,173.48x = 52,296,744.94
  5. Step 5: Solve for x
    x = 52,296,744.94/8,173.48
  6. Step 6: Final answer
    x = 6,398.34

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Double scale
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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.