Home / 12,201.14-18,302.70-3,436.13

Finding the Fourth Proportional to 12,201.14, 18,302.70 and 3,436.13

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Solution

The fourth proportional to 12,201.14, 18,302.70 and 3,436.13 is: 5,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.14 : 18,302.70 = 3,436.13 : x
  2. Step 2: Convert to fraction form
    12,201.14/18,302.70 = 3,436.13/x
  3. Step 3: Cross multiply
    12,201.14x = 18,302.70 × 3,436.13
  4. Step 4: Simplify right side
    12,201.14x = 62,890,456.55
  5. Step 5: Solve for x
    x = 62,890,456.55/12,201.14
  6. Step 6: Final answer
    x = 5,154.47

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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.