Home / 12,503.16-18,757.44-3,738.84

Finding the Fourth Proportional to 12,503.16, 18,757.44 and 3,738.84

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Solution

The fourth proportional to 12,503.16, 18,757.44 and 3,738.84 is: 5,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.16 : 18,757.44 = 3,738.84 : x
  2. Step 2: Convert to fraction form
    12,503.16/18,757.44 = 3,738.84/x
  3. Step 3: Cross multiply
    12,503.16x = 18,757.44 × 3,738.84
  4. Step 4: Simplify right side
    12,503.16x = 70,131,066.97
  5. Step 5: Solve for x
    x = 70,131,066.97/12,503.16
  6. Step 6: Final answer
    x = 5,609.07

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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.