Home / 12,596.96-18,895.44-3,831.68

Finding the Fourth Proportional to 12,596.96, 18,895.44 and 3,831.68

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Solution

The fourth proportional to 12,596.96, 18,895.44 and 3,831.68 is: 5,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596.96 : 18,895.44 = 3,831.68 : x
  2. Step 2: Convert to fraction form
    12,596.96/18,895.44 = 3,831.68/x
  3. Step 3: Cross multiply
    12,596.96x = 18,895.44 × 3,831.68
  4. Step 4: Simplify right side
    12,596.96x = 72,401,279.54
  5. Step 5: Solve for x
    x = 72,401,279.54/12,596.96
  6. Step 6: Final answer
    x = 5,747.52

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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.