Home / 11,772.85-16,246.66-6,395.34

Finding the Fourth Proportional to 11,772.85, 16,246.66 and 6,395.34

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Solution

The fourth proportional to 11,772.85, 16,246.66 and 6,395.34 is: 8,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.85 : 16,246.66 = 6,395.34 : x
  2. Step 2: Convert to fraction form
    11,772.85/16,246.66 = 6,395.34/x
  3. Step 3: Cross multiply
    11,772.85x = 16,246.66 × 6,395.34
  4. Step 4: Simplify right side
    11,772.85x = 103,902,882.59
  5. Step 5: Solve for x
    x = 103,902,882.59/11,772.85
  6. Step 6: Final answer
    x = 8,825.64

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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.