Home / 10,074.62-15,111.91-2,679.08

Finding the Fourth Proportional to 10,074.62, 15,111.91 and 2,679.08

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Solution

The fourth proportional to 10,074.62, 15,111.91 and 2,679.08 is: 4,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.62 : 15,111.91 = 2,679.08 : x
  2. Step 2: Convert to fraction form
    10,074.62/15,111.91 = 2,679.08/x
  3. Step 3: Cross multiply
    10,074.62x = 15,111.91 × 2,679.08
  4. Step 4: Simplify right side
    10,074.62x = 40,486,015.84
  5. Step 5: Solve for x
    x = 40,486,015.84/10,074.62
  6. Step 6: Final answer
    x = 4,018.61

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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.