Home / 11,704.55-16,152.36-6,399.48

Finding the Fourth Proportional to 11,704.55, 16,152.36 and 6,399.48

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Solution

The fourth proportional to 11,704.55, 16,152.36 and 6,399.48 is: 8,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.55 : 16,152.36 = 6,399.48 : x
  2. Step 2: Convert to fraction form
    11,704.55/16,152.36 = 6,399.48/x
  3. Step 3: Cross multiply
    11,704.55x = 16,152.36 × 6,399.48
  4. Step 4: Simplify right side
    11,704.55x = 103,366,731.91
  5. Step 5: Solve for x
    x = 103,366,731.91/11,704.55
  6. Step 6: Final answer
    x = 8,831.33

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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.