Home / 8,134.48-11,231.04-5,110.88

Finding the Fourth Proportional to 8,134.48, 11,231.04 and 5,110.88

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Solution

The fourth proportional to 8,134.48, 11,231.04 and 5,110.88 is: 7,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.48 : 11,231.04 = 5,110.88 : x
  2. Step 2: Convert to fraction form
    8,134.48/11,231.04 = 5,110.88/x
  3. Step 3: Cross multiply
    8,134.48x = 11,231.04 × 5,110.88
  4. Step 4: Simplify right side
    8,134.48x = 57,400,497.72
  5. Step 5: Solve for x
    x = 57,400,497.72/8,134.48
  6. Step 6: Final answer
    x = 7,056.44

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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.