Home / 12,474.30-18,708.22-3,707.18

Finding the Fourth Proportional to 12,474.30, 18,708.22 and 3,707.18

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Solution

The fourth proportional to 12,474.30, 18,708.22 and 3,707.18 is: 5,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.30 : 18,708.22 = 3,707.18 : x
  2. Step 2: Convert to fraction form
    12,474.30/18,708.22 = 3,707.18/x
  3. Step 3: Cross multiply
    12,474.30x = 18,708.22 × 3,707.18
  4. Step 4: Simplify right side
    12,474.30x = 69,354,739.02
  5. Step 5: Solve for x
    x = 69,354,739.02/12,474.30
  6. Step 6: Final answer
    x = 5,559.81

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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.