Home / 7,183.40-10,768.70-4,258.60

Finding the Fourth Proportional to 7,183.40, 10,768.70 and 4,258.60

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Solution

The fourth proportional to 7,183.40, 10,768.70 and 4,258.60 is: 6,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.40 : 10,768.70 = 4,258.60 : x
  2. Step 2: Convert to fraction form
    7,183.40/10,768.70 = 4,258.60/x
  3. Step 3: Cross multiply
    7,183.40x = 10,768.70 × 4,258.60
  4. Step 4: Simplify right side
    7,183.40x = 45,859,585.82
  5. Step 5: Solve for x
    x = 45,859,585.82/7,183.40
  6. Step 6: Final answer
    x = 6,384.11

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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.