Home / 8,056.97-11,113-7,786.03

Finding the Fourth Proportional to 8,056.97, 11,113 and 7,786.03

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Solution

The fourth proportional to 8,056.97, 11,113 and 7,786.03 is: 10,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.97 : 11,113 = 7,786.03 : x
  2. Step 2: Convert to fraction form
    8,056.97/11,113 = 7,786.03/x
  3. Step 3: Cross multiply
    8,056.97x = 11,113 × 7,786.03
  4. Step 4: Simplify right side
    8,056.97x = 86,526,151.39
  5. Step 5: Solve for x
    x = 86,526,151.39/8,056.97
  6. Step 6: Final answer
    x = 10,739.29

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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.