Home / 12,049.45-18,075.33-4,151.66

Finding the Fourth Proportional to 12,049.45, 18,075.33 and 4,151.66

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Solution

The fourth proportional to 12,049.45, 18,075.33 and 4,151.66 is: 6,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.45 : 18,075.33 = 4,151.66 : x
  2. Step 2: Convert to fraction form
    12,049.45/18,075.33 = 4,151.66/x
  3. Step 3: Cross multiply
    12,049.45x = 18,075.33 × 4,151.66
  4. Step 4: Simplify right side
    12,049.45x = 75,042,534.17
  5. Step 5: Solve for x
    x = 75,042,534.17/12,049.45
  6. Step 6: Final answer
    x = 6,227.88

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Double scale
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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.