Home / 11,196.88-15,451.44-6,161.20

Finding the Fourth Proportional to 11,196.88, 15,451.44 and 6,161.20

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Solution

The fourth proportional to 11,196.88, 15,451.44 and 6,161.20 is: 8,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,196.88 : 15,451.44 = 6,161.20 : x
  2. Step 2: Convert to fraction form
    11,196.88/15,451.44 = 6,161.20/x
  3. Step 3: Cross multiply
    11,196.88x = 15,451.44 × 6,161.20
  4. Step 4: Simplify right side
    11,196.88x = 95,199,412.13
  5. Step 5: Solve for x
    x = 95,199,412.13/11,196.88
  6. Step 6: Final answer
    x = 8,502.32

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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.