Home / 12,028.44-18,038.34-4,629.12

Finding the Fourth Proportional to 12,028.44, 18,038.34 and 4,629.12

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Solution

The fourth proportional to 12,028.44, 18,038.34 and 4,629.12 is: 6,942.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.44 : 18,038.34 = 4,629.12 : x
  2. Step 2: Convert to fraction form
    12,028.44/18,038.34 = 4,629.12/x
  3. Step 3: Cross multiply
    12,028.44x = 18,038.34 × 4,629.12
  4. Step 4: Simplify right side
    12,028.44x = 83,501,640.46
  5. Step 5: Solve for x
    x = 83,501,640.46/12,028.44
  6. Step 6: Final answer
    x = 6,942.02

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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.