Home / 8,982.75-13,462.88-4,812.42

Finding the Fourth Proportional to 8,982.75, 13,462.88 and 4,812.42

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Solution

The fourth proportional to 8,982.75, 13,462.88 and 4,812.42 is: 7,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.75 : 13,462.88 = 4,812.42 : x
  2. Step 2: Convert to fraction form
    8,982.75/13,462.88 = 4,812.42/x
  3. Step 3: Cross multiply
    8,982.75x = 13,462.88 × 4,812.42
  4. Step 4: Simplify right side
    8,982.75x = 64,789,008.91
  5. Step 5: Solve for x
    x = 64,789,008.91/8,982.75
  6. Step 6: Final answer
    x = 7,212.60

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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.