Home / 9,721.70-14,584.35-3,148.10

Finding the Fourth Proportional to 9,721.70, 14,584.35 and 3,148.10

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Solution

The fourth proportional to 9,721.70, 14,584.35 and 3,148.10 is: 4,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.70 : 14,584.35 = 3,148.10 : x
  2. Step 2: Convert to fraction form
    9,721.70/14,584.35 = 3,148.10/x
  3. Step 3: Cross multiply
    9,721.70x = 14,584.35 × 3,148.10
  4. Step 4: Simplify right side
    9,721.70x = 45,912,992.24
  5. Step 5: Solve for x
    x = 45,912,992.24/9,721.70
  6. Step 6: Final answer
    x = 4,722.73

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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.