Home / 10,785.13-16,177.69-2,993.94

Finding the Fourth Proportional to 10,785.13, 16,177.69 and 2,993.94

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Solution

The fourth proportional to 10,785.13, 16,177.69 and 2,993.94 is: 4,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.13 : 16,177.69 = 2,993.94 : x
  2. Step 2: Convert to fraction form
    10,785.13/16,177.69 = 2,993.94/x
  3. Step 3: Cross multiply
    10,785.13x = 16,177.69 × 2,993.94
  4. Step 4: Simplify right side
    10,785.13x = 48,435,033.20
  5. Step 5: Solve for x
    x = 48,435,033.20/10,785.13
  6. Step 6: Final answer
    x = 4,490.91

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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.