Home / 12,837.37-19,255.90-4,072.36

Finding the Fourth Proportional to 12,837.37, 19,255.90 and 4,072.36

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Solution

The fourth proportional to 12,837.37, 19,255.90 and 4,072.36 is: 6,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.37 : 19,255.90 = 4,072.36 : x
  2. Step 2: Convert to fraction form
    12,837.37/19,255.90 = 4,072.36/x
  3. Step 3: Cross multiply
    12,837.37x = 19,255.90 × 4,072.36
  4. Step 4: Simplify right side
    12,837.37x = 78,416,956.92
  5. Step 5: Solve for x
    x = 78,416,956.92/12,837.37
  6. Step 6: Final answer
    x = 6,108.49

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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.