Home / 12,831.75-19,247.67-3,597.75

Finding the Fourth Proportional to 12,831.75, 19,247.67 and 3,597.75

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Solution

The fourth proportional to 12,831.75, 19,247.67 and 3,597.75 is: 5,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.75 : 19,247.67 = 3,597.75 : x
  2. Step 2: Convert to fraction form
    12,831.75/19,247.67 = 3,597.75/x
  3. Step 3: Cross multiply
    12,831.75x = 19,247.67 × 3,597.75
  4. Step 4: Simplify right side
    12,831.75x = 69,248,304.74
  5. Step 5: Solve for x
    x = 69,248,304.74/12,831.75
  6. Step 6: Final answer
    x = 5,396.64

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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.