Home / 12,028.03-18,043.74-3,708.74

Finding the Fourth Proportional to 12,028.03, 18,043.74 and 3,708.74

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Solution

The fourth proportional to 12,028.03, 18,043.74 and 3,708.74 is: 5,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.03 : 18,043.74 = 3,708.74 : x
  2. Step 2: Convert to fraction form
    12,028.03/18,043.74 = 3,708.74/x
  3. Step 3: Cross multiply
    12,028.03x = 18,043.74 × 3,708.74
  4. Step 4: Simplify right side
    12,028.03x = 66,919,585.40
  5. Step 5: Solve for x
    x = 66,919,585.40/12,028.03
  6. Step 6: Final answer
    x = 5,563.64

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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.