Home / 8,087.88-11,161.25-4,551.09

Finding the Fourth Proportional to 8,087.88, 11,161.25 and 4,551.09

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Solution

The fourth proportional to 8,087.88, 11,161.25 and 4,551.09 is: 6,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.88 : 11,161.25 = 4,551.09 : x
  2. Step 2: Convert to fraction form
    8,087.88/11,161.25 = 4,551.09/x
  3. Step 3: Cross multiply
    8,087.88x = 11,161.25 × 4,551.09
  4. Step 4: Simplify right side
    8,087.88x = 50,795,830.51
  5. Step 5: Solve for x
    x = 50,795,830.51/8,087.88
  6. Step 6: Final answer
    x = 6,280.49

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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.