Home / 8,318.58-11,481.60-4,783.83

Finding the Fourth Proportional to 8,318.58, 11,481.60 and 4,783.83

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Solution

The fourth proportional to 8,318.58, 11,481.60 and 4,783.83 is: 6,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.58 : 11,481.60 = 4,783.83 : x
  2. Step 2: Convert to fraction form
    8,318.58/11,481.60 = 4,783.83/x
  3. Step 3: Cross multiply
    8,318.58x = 11,481.60 × 4,783.83
  4. Step 4: Simplify right side
    8,318.58x = 54,926,022.53
  5. Step 5: Solve for x
    x = 54,926,022.53/8,318.58
  6. Step 6: Final answer
    x = 6,602.81

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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.