Home / 36,515.07-54,772.60-8,813.07

Finding the Fourth Proportional to 36,515.07, 54,772.60 and 8,813.07

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Solution

The fourth proportional to 36,515.07, 54,772.60 and 8,813.07 is: 13,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515.07 : 54,772.60 = 8,813.07 : x
  2. Step 2: Convert to fraction form
    36,515.07/54,772.60 = 8,813.07/x
  3. Step 3: Cross multiply
    36,515.07x = 54,772.60 × 8,813.07
  4. Step 4: Simplify right side
    36,515.07x = 482,714,757.88
  5. Step 5: Solve for x
    x = 482,714,757.88/36,515.07
  6. Step 6: Final answer
    x = 13,219.60

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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.