Home / 12,252.03-18,378.74-3,486.25

Finding the Fourth Proportional to 12,252.03, 18,378.74 and 3,486.25

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Solution

The fourth proportional to 12,252.03, 18,378.74 and 3,486.25 is: 5,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.03 : 18,378.74 = 3,486.25 : x
  2. Step 2: Convert to fraction form
    12,252.03/18,378.74 = 3,486.25/x
  3. Step 3: Cross multiply
    12,252.03x = 18,378.74 × 3,486.25
  4. Step 4: Simplify right side
    12,252.03x = 64,072,882.33
  5. Step 5: Solve for x
    x = 64,072,882.33/12,252.03
  6. Step 6: Final answer
    x = 5,229.57

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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.