Home / 7,897.48-11,850.33-3,220.94

Finding the Fourth Proportional to 7,897.48, 11,850.33 and 3,220.94

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Solution

The fourth proportional to 7,897.48, 11,850.33 and 3,220.94 is: 4,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.48 : 11,850.33 = 3,220.94 : x
  2. Step 2: Convert to fraction form
    7,897.48/11,850.33 = 3,220.94/x
  3. Step 3: Cross multiply
    7,897.48x = 11,850.33 × 3,220.94
  4. Step 4: Simplify right side
    7,897.48x = 38,169,201.91
  5. Step 5: Solve for x
    x = 38,169,201.91/7,897.48
  6. Step 6: Final answer
    x = 4,833.09

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1.5x scale

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.