Home / 10,678.20-16,020.10-4,104.60

Finding the Fourth Proportional to 10,678.20, 16,020.10 and 4,104.60

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Solution

The fourth proportional to 10,678.20, 16,020.10 and 4,104.60 is: 6,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.20 : 16,020.10 = 4,104.60 : x
  2. Step 2: Convert to fraction form
    10,678.20/16,020.10 = 4,104.60/x
  3. Step 3: Cross multiply
    10,678.20x = 16,020.10 × 4,104.60
  4. Step 4: Simplify right side
    10,678.20x = 65,756,102.46
  5. Step 5: Solve for x
    x = 65,756,102.46/10,678.20
  6. Step 6: Final answer
    x = 6,157.98

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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.