Home / 8,086.81-11,159.37-4,550.25

Finding the Fourth Proportional to 8,086.81, 11,159.37 and 4,550.25

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Solution

The fourth proportional to 8,086.81, 11,159.37 and 4,550.25 is: 6,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086.81 : 11,159.37 = 4,550.25 : x
  2. Step 2: Convert to fraction form
    8,086.81/11,159.37 = 4,550.25/x
  3. Step 3: Cross multiply
    8,086.81x = 11,159.37 × 4,550.25
  4. Step 4: Simplify right side
    8,086.81x = 50,777,923.34
  5. Step 5: Solve for x
    x = 50,777,923.34/8,086.81
  6. Step 6: Final answer
    x = 6,279.10

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Half scale
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Double scale
Find fourth proportional to 8,087.81, 11,160.75 and 4,551.25
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.