Home / 10,167.68-15,249.94-2,772.74

Finding the Fourth Proportional to 10,167.68, 15,249.94 and 2,772.74

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Solution

The fourth proportional to 10,167.68, 15,249.94 and 2,772.74 is: 4,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.68 : 15,249.94 = 2,772.74 : x
  2. Step 2: Convert to fraction form
    10,167.68/15,249.94 = 2,772.74/x
  3. Step 3: Cross multiply
    10,167.68x = 15,249.94 × 2,772.74
  4. Step 4: Simplify right side
    10,167.68x = 42,284,028.52
  5. Step 5: Solve for x
    x = 42,284,028.52/10,167.68
  6. Step 6: Final answer
    x = 4,158.67

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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.