Home / 11,170.71-16,730.54-5,331.42

Finding the Fourth Proportional to 11,170.71, 16,730.54 and 5,331.42

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Solution

The fourth proportional to 11,170.71, 16,730.54 and 5,331.42 is: 7,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.71 : 16,730.54 = 5,331.42 : x
  2. Step 2: Convert to fraction form
    11,170.71/16,730.54 = 5,331.42/x
  3. Step 3: Cross multiply
    11,170.71x = 16,730.54 × 5,331.42
  4. Step 4: Simplify right side
    11,170.71x = 89,197,535.57
  5. Step 5: Solve for x
    x = 89,197,535.57/11,170.71
  6. Step 6: Final answer
    x = 7,984.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.