Home / 12,601.88-18,905.64-3,837.48

Finding the Fourth Proportional to 12,601.88, 18,905.64 and 3,837.48

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Solution

The fourth proportional to 12,601.88, 18,905.64 and 3,837.48 is: 5,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.88 : 18,905.64 = 3,837.48 : x
  2. Step 2: Convert to fraction form
    12,601.88/18,905.64 = 3,837.48/x
  3. Step 3: Cross multiply
    12,601.88x = 18,905.64 × 3,837.48
  4. Step 4: Simplify right side
    12,601.88x = 72,549,930.10
  5. Step 5: Solve for x
    x = 72,549,930.10/12,601.88
  6. Step 6: Final answer
    x = 5,757.07

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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.