Home / 11,292.87-16,939.06-3,897.08

Finding the Fourth Proportional to 11,292.87, 16,939.06 and 3,897.08

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Solution

The fourth proportional to 11,292.87, 16,939.06 and 3,897.08 is: 5,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.87 : 16,939.06 = 3,897.08 : x
  2. Step 2: Convert to fraction form
    11,292.87/16,939.06 = 3,897.08/x
  3. Step 3: Cross multiply
    11,292.87x = 16,939.06 × 3,897.08
  4. Step 4: Simplify right side
    11,292.87x = 66,012,871.94
  5. Step 5: Solve for x
    x = 66,012,871.94/11,292.87
  6. Step 6: Final answer
    x = 5,845.54

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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.