Home / 11,753.99-16,220.35-6,718.16

Finding the Fourth Proportional to 11,753.99, 16,220.35 and 6,718.16

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Solution

The fourth proportional to 11,753.99, 16,220.35 and 6,718.16 is: 9,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.99 : 16,220.35 = 6,718.16 : x
  2. Step 2: Convert to fraction form
    11,753.99/16,220.35 = 6,718.16/x
  3. Step 3: Cross multiply
    11,753.99x = 16,220.35 × 6,718.16
  4. Step 4: Simplify right side
    11,753.99x = 108,970,906.56
  5. Step 5: Solve for x
    x = 108,970,906.56/11,753.99
  6. Step 6: Final answer
    x = 9,270.97

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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.