Home / 12,028.55-18,042.84-4,636.49

Finding the Fourth Proportional to 12,028.55, 18,042.84 and 4,636.49

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Solution

The fourth proportional to 12,028.55, 18,042.84 and 4,636.49 is: 6,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.55 : 18,042.84 = 4,636.49 : x
  2. Step 2: Convert to fraction form
    12,028.55/18,042.84 = 4,636.49/x
  3. Step 3: Cross multiply
    12,028.55x = 18,042.84 × 4,636.49
  4. Step 4: Simplify right side
    12,028.55x = 83,655,333.83
  5. Step 5: Solve for x
    x = 83,655,333.83/12,028.55
  6. Step 6: Final answer
    x = 6,954.73

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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.