Home / 8,255.70-12,383.55-6,074.10

Finding the Fourth Proportional to 8,255.70, 12,383.55 and 6,074.10

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Solution

The fourth proportional to 8,255.70, 12,383.55 and 6,074.10 is: 9,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.70 : 12,383.55 = 6,074.10 : x
  2. Step 2: Convert to fraction form
    8,255.70/12,383.55 = 6,074.10/x
  3. Step 3: Cross multiply
    8,255.70x = 12,383.55 × 6,074.10
  4. Step 4: Simplify right side
    8,255.70x = 75,218,921.06
  5. Step 5: Solve for x
    x = 75,218,921.06/8,255.70
  6. Step 6: Final answer
    x = 9,111.15

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.