Home / 11,974.34-16,507.44-8,426.54

Finding the Fourth Proportional to 11,974.34, 16,507.44 and 8,426.54

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Solution

The fourth proportional to 11,974.34, 16,507.44 and 8,426.54 is: 11,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.34 : 16,507.44 = 8,426.54 : x
  2. Step 2: Convert to fraction form
    11,974.34/16,507.44 = 8,426.54/x
  3. Step 3: Cross multiply
    11,974.34x = 16,507.44 × 8,426.54
  4. Step 4: Simplify right side
    11,974.34x = 139,100,603.46
  5. Step 5: Solve for x
    x = 139,100,603.46/11,974.34
  6. Step 6: Final answer
    x = 11,616.56

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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.