Home / 8,401.16-11,593.58-5,213.28

Finding the Fourth Proportional to 8,401.16, 11,593.58 and 5,213.28

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Solution

The fourth proportional to 8,401.16, 11,593.58 and 5,213.28 is: 7,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.16 : 11,593.58 = 5,213.28 : x
  2. Step 2: Convert to fraction form
    8,401.16/11,593.58 = 5,213.28/x
  3. Step 3: Cross multiply
    8,401.16x = 11,593.58 × 5,213.28
  4. Step 4: Simplify right side
    8,401.16x = 60,440,578.74
  5. Step 5: Solve for x
    x = 60,440,578.74/8,401.16
  6. Step 6: Final answer
    x = 7,194.31

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Half scale
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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.