Home / 8,584.08-12,871.38-4,640.06

Finding the Fourth Proportional to 8,584.08, 12,871.38 and 4,640.06

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Solution

The fourth proportional to 8,584.08, 12,871.38 and 4,640.06 is: 6,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.08 : 12,871.38 = 4,640.06 : x
  2. Step 2: Convert to fraction form
    8,584.08/12,871.38 = 4,640.06/x
  3. Step 3: Cross multiply
    8,584.08x = 12,871.38 × 4,640.06
  4. Step 4: Simplify right side
    8,584.08x = 59,723,975.48
  5. Step 5: Solve for x
    x = 59,723,975.48/8,584.08
  6. Step 6: Final answer
    x = 6,957.53

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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.