Home / 10,785.84-16,183.08-3,391.44

Finding the Fourth Proportional to 10,785.84, 16,183.08 and 3,391.44

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Solution

The fourth proportional to 10,785.84, 16,183.08 and 3,391.44 is: 5,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.84 : 16,183.08 = 3,391.44 : x
  2. Step 2: Convert to fraction form
    10,785.84/16,183.08 = 3,391.44/x
  3. Step 3: Cross multiply
    10,785.84x = 16,183.08 × 3,391.44
  4. Step 4: Simplify right side
    10,785.84x = 54,883,944.84
  5. Step 5: Solve for x
    x = 54,883,944.84/10,785.84
  6. Step 6: Final answer
    x = 5,088.52

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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.