Home / 10,785.40-16,173.62-3,763.92

Finding the Fourth Proportional to 10,785.40, 16,173.62 and 3,763.92

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Solution

The fourth proportional to 10,785.40, 16,173.62 and 3,763.92 is: 5,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.40 : 16,173.62 = 3,763.92 : x
  2. Step 2: Convert to fraction form
    10,785.40/16,173.62 = 3,763.92/x
  3. Step 3: Cross multiply
    10,785.40x = 16,173.62 × 3,763.92
  4. Step 4: Simplify right side
    10,785.40x = 60,876,197.93
  5. Step 5: Solve for x
    x = 60,876,197.93/10,785.40
  6. Step 6: Final answer
    x = 5,644.31

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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.