Home / 8,520.74-11,760.31-4,936.29

Finding the Fourth Proportional to 8,520.74, 11,760.31 and 4,936.29

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Solution

The fourth proportional to 8,520.74, 11,760.31 and 4,936.29 is: 6,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.74 : 11,760.31 = 4,936.29 : x
  2. Step 2: Convert to fraction form
    8,520.74/11,760.31 = 4,936.29/x
  3. Step 3: Cross multiply
    8,520.74x = 11,760.31 × 4,936.29
  4. Step 4: Simplify right side
    8,520.74x = 58,052,300.65
  5. Step 5: Solve for x
    x = 58,052,300.65/8,520.74
  6. Step 6: Final answer
    x = 6,813.06

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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.