Home / 10,074.68-15,112.01-2,679.14

Finding the Fourth Proportional to 10,074.68, 15,112.01 and 2,679.14

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Solution

The fourth proportional to 10,074.68, 15,112.01 and 2,679.14 is: 4,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.68 : 15,112.01 = 2,679.14 : x
  2. Step 2: Convert to fraction form
    10,074.68/15,112.01 = 2,679.14/x
  3. Step 3: Cross multiply
    10,074.68x = 15,112.01 × 2,679.14
  4. Step 4: Simplify right side
    10,074.68x = 40,487,177.08
  5. Step 5: Solve for x
    x = 40,487,177.08/10,074.68
  6. Step 6: Final answer
    x = 4,018.71

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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.