Home / 8,240.01-11,369.61-6,665.37

Finding the Fourth Proportional to 8,240.01, 11,369.61 and 6,665.37

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Solution

The fourth proportional to 8,240.01, 11,369.61 and 6,665.37 is: 9,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.01 : 11,369.61 = 6,665.37 : x
  2. Step 2: Convert to fraction form
    8,240.01/11,369.61 = 6,665.37/x
  3. Step 3: Cross multiply
    8,240.01x = 11,369.61 × 6,665.37
  4. Step 4: Simplify right side
    8,240.01x = 75,782,657.41
  5. Step 5: Solve for x
    x = 75,782,657.41/8,240.01
  6. Step 6: Final answer
    x = 9,196.91

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1.5x scale

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.