Home / 12,014.44-16,578.99-6,977.84

Finding the Fourth Proportional to 12,014.44, 16,578.99 and 6,977.84

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Solution

The fourth proportional to 12,014.44, 16,578.99 and 6,977.84 is: 9,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.44 : 16,578.99 = 6,977.84 : x
  2. Step 2: Convert to fraction form
    12,014.44/16,578.99 = 6,977.84/x
  3. Step 3: Cross multiply
    12,014.44x = 16,578.99 × 6,977.84
  4. Step 4: Simplify right side
    12,014.44x = 115,685,456.69
  5. Step 5: Solve for x
    x = 115,685,456.69/12,014.44
  6. Step 6: Final answer
    x = 9,628.87

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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.