Home / 8,085.39-11,157.78-4,548.61

Finding the Fourth Proportional to 8,085.39, 11,157.78 and 4,548.61

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Solution

The fourth proportional to 8,085.39, 11,157.78 and 4,548.61 is: 6,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.39 : 11,157.78 = 4,548.61 : x
  2. Step 2: Convert to fraction form
    8,085.39/11,157.78 = 4,548.61/x
  3. Step 3: Cross multiply
    8,085.39x = 11,157.78 × 4,548.61
  4. Step 4: Simplify right side
    8,085.39x = 50,752,389.69
  5. Step 5: Solve for x
    x = 50,752,389.69/8,085.39
  6. Step 6: Final answer
    x = 6,277.05

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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.