Home / 8,902.67-12,284.21-4,923

Finding the Fourth Proportional to 8,902.67, 12,284.21 and 4,923

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Solution

The fourth proportional to 8,902.67, 12,284.21 and 4,923 is: 6,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.67 : 12,284.21 = 4,923 : x
  2. Step 2: Convert to fraction form
    8,902.67/12,284.21 = 4,923/x
  3. Step 3: Cross multiply
    8,902.67x = 12,284.21 × 4,923
  4. Step 4: Simplify right side
    8,902.67x = 60,475,178.14
  5. Step 5: Solve for x
    x = 60,475,178.14/8,902.67
  6. Step 6: Final answer
    x = 6,792.93

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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.