Home / 11,156.39-16,735.13-3,660.70

Finding the Fourth Proportional to 11,156.39, 16,735.13 and 3,660.70

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Solution

The fourth proportional to 11,156.39, 16,735.13 and 3,660.70 is: 5,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.39 : 16,735.13 = 3,660.70 : x
  2. Step 2: Convert to fraction form
    11,156.39/16,735.13 = 3,660.70/x
  3. Step 3: Cross multiply
    11,156.39x = 16,735.13 × 3,660.70
  4. Step 4: Simplify right side
    11,156.39x = 61,262,290.39
  5. Step 5: Solve for x
    x = 61,262,290.39/11,156.39
  6. Step 6: Final answer
    x = 5,491.23

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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.