Home / 11,778.24-17,670.60-4,857.60

Finding the Fourth Proportional to 11,778.24, 17,670.60 and 4,857.60

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Solution

The fourth proportional to 11,778.24, 17,670.60 and 4,857.60 is: 7,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.24 : 17,670.60 = 4,857.60 : x
  2. Step 2: Convert to fraction form
    11,778.24/17,670.60 = 4,857.60/x
  3. Step 3: Cross multiply
    11,778.24x = 17,670.60 × 4,857.60
  4. Step 4: Simplify right side
    11,778.24x = 85,836,706.56
  5. Step 5: Solve for x
    x = 85,836,706.56/11,778.24
  6. Step 6: Final answer
    x = 7,287.74

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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.