Home / 12,901.41-19,352.12-4,137.01

Finding the Fourth Proportional to 12,901.41, 19,352.12 and 4,137.01

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Solution

The fourth proportional to 12,901.41, 19,352.12 and 4,137.01 is: 6,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.41 : 19,352.12 = 4,137.01 : x
  2. Step 2: Convert to fraction form
    12,901.41/19,352.12 = 4,137.01/x
  3. Step 3: Cross multiply
    12,901.41x = 19,352.12 × 4,137.01
  4. Step 4: Simplify right side
    12,901.41x = 80,059,844.90
  5. Step 5: Solve for x
    x = 80,059,844.90/12,901.41
  6. Step 6: Final answer
    x = 6,205.51

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Double scale
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Similar ratio
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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.