Home / 8,276.22-11,422.35-5,133.42

Finding the Fourth Proportional to 8,276.22, 11,422.35 and 5,133.42

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Solution

The fourth proportional to 8,276.22, 11,422.35 and 5,133.42 is: 7,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.22 : 11,422.35 = 5,133.42 : x
  2. Step 2: Convert to fraction form
    8,276.22/11,422.35 = 5,133.42/x
  3. Step 3: Cross multiply
    8,276.22x = 11,422.35 × 5,133.42
  4. Step 4: Simplify right side
    8,276.22x = 58,635,719.94
  5. Step 5: Solve for x
    x = 58,635,719.94/8,276.22
  6. Step 6: Final answer
    x = 7,084.84

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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.