Home / 12,841.38-19,261.90-4,076.36

Finding the Fourth Proportional to 12,841.38, 19,261.90 and 4,076.36

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Solution

The fourth proportional to 12,841.38, 19,261.90 and 4,076.36 is: 6,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.38 : 19,261.90 = 4,076.36 : x
  2. Step 2: Convert to fraction form
    12,841.38/19,261.90 = 4,076.36/x
  3. Step 3: Cross multiply
    12,841.38x = 19,261.90 × 4,076.36
  4. Step 4: Simplify right side
    12,841.38x = 78,518,438.68
  5. Step 5: Solve for x
    x = 78,518,438.68/12,841.38
  6. Step 6: Final answer
    x = 6,114.49

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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.