Home / 12,572.01-18,858.22-3,806.60

Finding the Fourth Proportional to 12,572.01, 18,858.22 and 3,806.60

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Solution

The fourth proportional to 12,572.01, 18,858.22 and 3,806.60 is: 5,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.01 : 18,858.22 = 3,806.60 : x
  2. Step 2: Convert to fraction form
    12,572.01/18,858.22 = 3,806.60/x
  3. Step 3: Cross multiply
    12,572.01x = 18,858.22 × 3,806.60
  4. Step 4: Simplify right side
    12,572.01x = 71,785,596.44
  5. Step 5: Solve for x
    x = 71,785,596.44/12,572.01
  6. Step 6: Final answer
    x = 5,709.95

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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.