Home / 10,850.12-16,276.80-3,923

Finding the Fourth Proportional to 10,850.12, 16,276.80 and 3,923

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Solution

The fourth proportional to 10,850.12, 16,276.80 and 3,923 is: 5,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.12 : 16,276.80 = 3,923 : x
  2. Step 2: Convert to fraction form
    10,850.12/16,276.80 = 3,923/x
  3. Step 3: Cross multiply
    10,850.12x = 16,276.80 × 3,923
  4. Step 4: Simplify right side
    10,850.12x = 63,853,886.40
  5. Step 5: Solve for x
    x = 63,853,886.40/10,850.12
  6. Step 6: Final answer
    x = 5,885.09

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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.