Home / 10,249.45-14,138.35-6,471.27

Finding the Fourth Proportional to 10,249.45, 14,138.35 and 6,471.27

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Solution

The fourth proportional to 10,249.45, 14,138.35 and 6,471.27 is: 8,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.45 : 14,138.35 = 6,471.27 : x
  2. Step 2: Convert to fraction form
    10,249.45/14,138.35 = 6,471.27/x
  3. Step 3: Cross multiply
    10,249.45x = 14,138.35 × 6,471.27
  4. Step 4: Simplify right side
    10,249.45x = 91,493,064.03
  5. Step 5: Solve for x
    x = 91,493,064.03/10,249.45
  6. Step 6: Final answer
    x = 8,926.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.