Home / 12,028.93-18,036.44-3,706.71

Finding the Fourth Proportional to 12,028.93, 18,036.44 and 3,706.71

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Solution

The fourth proportional to 12,028.93, 18,036.44 and 3,706.71 is: 5,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.93 : 18,036.44 = 3,706.71 : x
  2. Step 2: Convert to fraction form
    12,028.93/18,036.44 = 3,706.71/x
  3. Step 3: Cross multiply
    12,028.93x = 18,036.44 × 3,706.71
  4. Step 4: Simplify right side
    12,028.93x = 66,855,753.06
  5. Step 5: Solve for x
    x = 66,855,753.06/12,028.93
  6. Step 6: Final answer
    x = 5,557.92

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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.