Home / 12,474.61-18,721.43-4,584.60

Finding the Fourth Proportional to 12,474.61, 18,721.43 and 4,584.60

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Solution

The fourth proportional to 12,474.61, 18,721.43 and 4,584.60 is: 6,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.61 : 18,721.43 = 4,584.60 : x
  2. Step 2: Convert to fraction form
    12,474.61/18,721.43 = 4,584.60/x
  3. Step 3: Cross multiply
    12,474.61x = 18,721.43 × 4,584.60
  4. Step 4: Simplify right side
    12,474.61x = 85,830,245.06
  5. Step 5: Solve for x
    x = 85,830,245.06/12,474.61
  6. Step 6: Final answer
    x = 6,880.40

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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.