Home / 9,712.23-14,571.18-3,138.27

Finding the Fourth Proportional to 9,712.23, 14,571.18 and 3,138.27

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Solution

The fourth proportional to 9,712.23, 14,571.18 and 3,138.27 is: 4,708.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.23 : 14,571.18 = 3,138.27 : x
  2. Step 2: Convert to fraction form
    9,712.23/14,571.18 = 3,138.27/x
  3. Step 3: Cross multiply
    9,712.23x = 14,571.18 × 3,138.27
  4. Step 4: Simplify right side
    9,712.23x = 45,728,297.06
  5. Step 5: Solve for x
    x = 45,728,297.06/9,712.23
  6. Step 6: Final answer
    x = 4,708.32

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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.