Home / 8,990.26-13,485.38-2,416.44

Finding the Fourth Proportional to 8,990.26, 13,485.38 and 2,416.44

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Solution

The fourth proportional to 8,990.26, 13,485.38 and 2,416.44 is: 3,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.26 : 13,485.38 = 2,416.44 : x
  2. Step 2: Convert to fraction form
    8,990.26/13,485.38 = 2,416.44/x
  3. Step 3: Cross multiply
    8,990.26x = 13,485.38 × 2,416.44
  4. Step 4: Simplify right side
    8,990.26x = 32,586,650.14
  5. Step 5: Solve for x
    x = 32,586,650.14/8,990.26
  6. Step 6: Final answer
    x = 3,624.66

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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.