Home / 11,249.80-15,524.63-6,214.36

Finding the Fourth Proportional to 11,249.80, 15,524.63 and 6,214.36

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Solution

The fourth proportional to 11,249.80, 15,524.63 and 6,214.36 is: 8,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.80 : 15,524.63 = 6,214.36 : x
  2. Step 2: Convert to fraction form
    11,249.80/15,524.63 = 6,214.36/x
  3. Step 3: Cross multiply
    11,249.80x = 15,524.63 × 6,214.36
  4. Step 4: Simplify right side
    11,249.80x = 96,475,639.69
  5. Step 5: Solve for x
    x = 96,475,639.69/11,249.80
  6. Step 6: Final answer
    x = 8,575.76

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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.