Home / 10,866.42-16,299.63-3,074.22

Finding the Fourth Proportional to 10,866.42, 16,299.63 and 3,074.22

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Solution

The fourth proportional to 10,866.42, 16,299.63 and 3,074.22 is: 4,611.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.42 : 16,299.63 = 3,074.22 : x
  2. Step 2: Convert to fraction form
    10,866.42/16,299.63 = 3,074.22/x
  3. Step 3: Cross multiply
    10,866.42x = 16,299.63 × 3,074.22
  4. Step 4: Simplify right side
    10,866.42x = 50,108,648.54
  5. Step 5: Solve for x
    x = 50,108,648.54/10,866.42
  6. Step 6: Final answer
    x = 4,611.33

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Double scale
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Similar ratio
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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.