Home / 10,766.92-16,149.46-2,975

Finding the Fourth Proportional to 10,766.92, 16,149.46 and 2,975

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Solution

The fourth proportional to 10,766.92, 16,149.46 and 2,975 is: 4,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.92 : 16,149.46 = 2,975 : x
  2. Step 2: Convert to fraction form
    10,766.92/16,149.46 = 2,975/x
  3. Step 3: Cross multiply
    10,766.92x = 16,149.46 × 2,975
  4. Step 4: Simplify right side
    10,766.92x = 48,044,643.50
  5. Step 5: Solve for x
    x = 48,044,643.50/10,766.92
  6. Step 6: Final answer
    x = 4,462.25

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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.