Home / 11,704.72-16,152.36-6,399.52

Finding the Fourth Proportional to 11,704.72, 16,152.36 and 6,399.52

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Solution

The fourth proportional to 11,704.72, 16,152.36 and 6,399.52 is: 8,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.72 : 16,152.36 = 6,399.52 : x
  2. Step 2: Convert to fraction form
    11,704.72/16,152.36 = 6,399.52/x
  3. Step 3: Cross multiply
    11,704.72x = 16,152.36 × 6,399.52
  4. Step 4: Simplify right side
    11,704.72x = 103,367,350.87
  5. Step 5: Solve for x
    x = 103,367,350.87/11,704.72
  6. Step 6: Final answer
    x = 8,831.25

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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.