Home / 12,226.37-16,876.41-7,190.38

Finding the Fourth Proportional to 12,226.37, 16,876.41 and 7,190.38

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Solution

The fourth proportional to 12,226.37, 16,876.41 and 7,190.38 is: 9,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.37 : 16,876.41 = 7,190.38 : x
  2. Step 2: Convert to fraction form
    12,226.37/16,876.41 = 7,190.38/x
  3. Step 3: Cross multiply
    12,226.37x = 16,876.41 × 7,190.38
  4. Step 4: Simplify right side
    12,226.37x = 121,347,716.55
  5. Step 5: Solve for x
    x = 121,347,716.55/12,226.37
  6. Step 6: Final answer
    x = 9,925.08

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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.