Home / 8,231.58-11,359.17-4,875.42

Finding the Fourth Proportional to 8,231.58, 11,359.17 and 4,875.42

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Solution

The fourth proportional to 8,231.58, 11,359.17 and 4,875.42 is: 6,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.58 : 11,359.17 = 4,875.42 : x
  2. Step 2: Convert to fraction form
    8,231.58/11,359.17 = 4,875.42/x
  3. Step 3: Cross multiply
    8,231.58x = 11,359.17 × 4,875.42
  4. Step 4: Simplify right side
    8,231.58x = 55,380,724.60
  5. Step 5: Solve for x
    x = 55,380,724.60/8,231.58
  6. Step 6: Final answer
    x = 6,727.84

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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.