Home / 12,446.69-18,673.20-4,129.02

Finding the Fourth Proportional to 12,446.69, 18,673.20 and 4,129.02

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Solution

The fourth proportional to 12,446.69, 18,673.20 and 4,129.02 is: 6,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.69 : 18,673.20 = 4,129.02 : x
  2. Step 2: Convert to fraction form
    12,446.69/18,673.20 = 4,129.02/x
  3. Step 3: Cross multiply
    12,446.69x = 18,673.20 × 4,129.02
  4. Step 4: Simplify right side
    12,446.69x = 77,102,016.26
  5. Step 5: Solve for x
    x = 77,102,016.26/12,446.69
  6. Step 6: Final answer
    x = 6,194.58

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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.