Home / 12,448.44-18,662.79-6,205.05

Finding the Fourth Proportional to 12,448.44, 18,662.79 and 6,205.05

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Solution

The fourth proportional to 12,448.44, 18,662.79 and 6,205.05 is: 9,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.44 : 18,662.79 = 6,205.05 : x
  2. Step 2: Convert to fraction form
    12,448.44/18,662.79 = 6,205.05/x
  3. Step 3: Cross multiply
    12,448.44x = 18,662.79 × 6,205.05
  4. Step 4: Simplify right side
    12,448.44x = 115,803,545.09
  5. Step 5: Solve for x
    x = 115,803,545.09/12,448.44
  6. Step 6: Final answer
    x = 9,302.66

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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.