Home / 10,768.72-16,148.80-4,193.96

Finding the Fourth Proportional to 10,768.72, 16,148.80 and 4,193.96

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Solution

The fourth proportional to 10,768.72, 16,148.80 and 4,193.96 is: 6,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.72 : 16,148.80 = 4,193.96 : x
  2. Step 2: Convert to fraction form
    10,768.72/16,148.80 = 4,193.96/x
  3. Step 3: Cross multiply
    10,768.72x = 16,148.80 × 4,193.96
  4. Step 4: Simplify right side
    10,768.72x = 67,727,421.25
  5. Step 5: Solve for x
    x = 67,727,421.25/10,768.72
  6. Step 6: Final answer
    x = 6,289.27

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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.