Home / 12,137.99-18,180.54-6,579.59

Finding the Fourth Proportional to 12,137.99, 18,180.54 and 6,579.59

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Solution

The fourth proportional to 12,137.99, 18,180.54 and 6,579.59 is: 9,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.99 : 18,180.54 = 6,579.59 : x
  2. Step 2: Convert to fraction form
    12,137.99/18,180.54 = 6,579.59/x
  3. Step 3: Cross multiply
    12,137.99x = 18,180.54 × 6,579.59
  4. Step 4: Simplify right side
    12,137.99x = 119,620,408.28
  5. Step 5: Solve for x
    x = 119,620,408.28/12,137.99
  6. Step 6: Final answer
    x = 9,855.05

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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.