Home / 12,028.01-18,043.70-3,708.69

Finding the Fourth Proportional to 12,028.01, 18,043.70 and 3,708.69

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Solution

The fourth proportional to 12,028.01, 18,043.70 and 3,708.69 is: 5,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.01 : 18,043.70 = 3,708.69 : x
  2. Step 2: Convert to fraction form
    12,028.01/18,043.70 = 3,708.69/x
  3. Step 3: Cross multiply
    12,028.01x = 18,043.70 × 3,708.69
  4. Step 4: Simplify right side
    12,028.01x = 66,918,471.21
  5. Step 5: Solve for x
    x = 66,918,471.21/12,028.01
  6. Step 6: Final answer
    x = 5,563.56

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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.