Home / 6,975.62-9,626.30-3,831.82

Finding the Fourth Proportional to 6,975.62, 9,626.30 and 3,831.82

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Solution

The fourth proportional to 6,975.62, 9,626.30 and 3,831.82 is: 5,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.62 : 9,626.30 = 3,831.82 : x
  2. Step 2: Convert to fraction form
    6,975.62/9,626.30 = 3,831.82/x
  3. Step 3: Cross multiply
    6,975.62x = 9,626.30 × 3,831.82
  4. Step 4: Simplify right side
    6,975.62x = 36,886,248.87
  5. Step 5: Solve for x
    x = 36,886,248.87/6,975.62
  6. Step 6: Final answer
    x = 5,287.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.