Home / 8,245.27-11,378.07-4,660.30

Finding the Fourth Proportional to 8,245.27, 11,378.07 and 4,660.30

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Solution

The fourth proportional to 8,245.27, 11,378.07 and 4,660.30 is: 6,430.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.27 : 11,378.07 = 4,660.30 : x
  2. Step 2: Convert to fraction form
    8,245.27/11,378.07 = 4,660.30/x
  3. Step 3: Cross multiply
    8,245.27x = 11,378.07 × 4,660.30
  4. Step 4: Simplify right side
    8,245.27x = 53,025,219.62
  5. Step 5: Solve for x
    x = 53,025,219.62/8,245.27
  6. Step 6: Final answer
    x = 6,430.99

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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.