Home / 12,247.07-18,370.60-3,013.07

Finding the Fourth Proportional to 12,247.07, 18,370.60 and 3,013.07

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Solution

The fourth proportional to 12,247.07, 18,370.60 and 3,013.07 is: 4,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.07 : 18,370.60 = 3,013.07 : x
  2. Step 2: Convert to fraction form
    12,247.07/18,370.60 = 3,013.07/x
  3. Step 3: Cross multiply
    12,247.07x = 18,370.60 × 3,013.07
  4. Step 4: Simplify right side
    12,247.07x = 55,351,804.36
  5. Step 5: Solve for x
    x = 55,351,804.36/12,247.07
  6. Step 6: Final answer
    x = 4,519.60

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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.