Home / 11,704.59-16,152.48-6,399.43

Finding the Fourth Proportional to 11,704.59, 16,152.48 and 6,399.43

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Solution

The fourth proportional to 11,704.59, 16,152.48 and 6,399.43 is: 8,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.59 : 16,152.48 = 6,399.43 : x
  2. Step 2: Convert to fraction form
    11,704.59/16,152.48 = 6,399.43/x
  3. Step 3: Cross multiply
    11,704.59x = 16,152.48 × 6,399.43
  4. Step 4: Simplify right side
    11,704.59x = 103,366,624.71
  5. Step 5: Solve for x
    x = 103,366,624.71/11,704.59
  6. Step 6: Final answer
    x = 8,831.29

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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.