Home / 12,300.44-18,450.94-4,403.50

Finding the Fourth Proportional to 12,300.44, 18,450.94 and 4,403.50

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Solution

The fourth proportional to 12,300.44, 18,450.94 and 4,403.50 is: 6,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300.44 : 18,450.94 = 4,403.50 : x
  2. Step 2: Convert to fraction form
    12,300.44/18,450.94 = 4,403.50/x
  3. Step 3: Cross multiply
    12,300.44x = 18,450.94 × 4,403.50
  4. Step 4: Simplify right side
    12,300.44x = 81,248,627.54
  5. Step 5: Solve for x
    x = 81,248,627.54/12,300.44
  6. Step 6: Final answer
    x = 6,605.34

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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.