Home / 12,433.99-17,158.37-6,768.75

Finding the Fourth Proportional to 12,433.99, 17,158.37 and 6,768.75

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Solution

The fourth proportional to 12,433.99, 17,158.37 and 6,768.75 is: 9,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.99 : 17,158.37 = 6,768.75 : x
  2. Step 2: Convert to fraction form
    12,433.99/17,158.37 = 6,768.75/x
  3. Step 3: Cross multiply
    12,433.99x = 17,158.37 × 6,768.75
  4. Step 4: Simplify right side
    12,433.99x = 116,140,716.94
  5. Step 5: Solve for x
    x = 116,140,716.94/12,433.99
  6. Step 6: Final answer
    x = 9,340.58

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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.