Home / 8,174.65-11,280.92-4,817.61

Finding the Fourth Proportional to 8,174.65, 11,280.92 and 4,817.61

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Solution

The fourth proportional to 8,174.65, 11,280.92 and 4,817.61 is: 6,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.65 : 11,280.92 = 4,817.61 : x
  2. Step 2: Convert to fraction form
    8,174.65/11,280.92 = 4,817.61/x
  3. Step 3: Cross multiply
    8,174.65x = 11,280.92 × 4,817.61
  4. Step 4: Simplify right side
    8,174.65x = 54,347,073.00
  5. Step 5: Solve for x
    x = 54,347,073.00/8,174.65
  6. Step 6: Final answer
    x = 6,648.24

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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.