Home / 8,087.85-11,161.53-4,551.39

Finding the Fourth Proportional to 8,087.85, 11,161.53 and 4,551.39

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Solution

The fourth proportional to 8,087.85, 11,161.53 and 4,551.39 is: 6,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.85 : 11,161.53 = 4,551.39 : x
  2. Step 2: Convert to fraction form
    8,087.85/11,161.53 = 4,551.39/x
  3. Step 3: Cross multiply
    8,087.85x = 11,161.53 × 4,551.39
  4. Step 4: Simplify right side
    8,087.85x = 50,800,476.03
  5. Step 5: Solve for x
    x = 50,800,476.03/8,087.85
  6. Step 6: Final answer
    x = 6,281.09

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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.