Home / 8,169.27-11,274.06-4,811.34

Finding the Fourth Proportional to 8,169.27, 11,274.06 and 4,811.34

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Solution

The fourth proportional to 8,169.27, 11,274.06 and 4,811.34 is: 6,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.27 : 11,274.06 = 4,811.34 : x
  2. Step 2: Convert to fraction form
    8,169.27/11,274.06 = 4,811.34/x
  3. Step 3: Cross multiply
    8,169.27x = 11,274.06 × 4,811.34
  4. Step 4: Simplify right side
    8,169.27x = 54,243,335.84
  5. Step 5: Solve for x
    x = 54,243,335.84/8,169.27
  6. Step 6: Final answer
    x = 6,639.92

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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.