Home / 10,704.50-16,059.47-4,128.92

Finding the Fourth Proportional to 10,704.50, 16,059.47 and 4,128.92

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Solution

The fourth proportional to 10,704.50, 16,059.47 and 4,128.92 is: 6,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,704.50 : 16,059.47 = 4,128.92 : x
  2. Step 2: Convert to fraction form
    10,704.50/16,059.47 = 4,128.92/x
  3. Step 3: Cross multiply
    10,704.50x = 16,059.47 × 4,128.92
  4. Step 4: Simplify right side
    10,704.50x = 66,308,165.93
  5. Step 5: Solve for x
    x = 66,308,165.93/10,704.50
  6. Step 6: Final answer
    x = 6,194.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.