Home / 10,842.20-16,265.10-4,268.60

Finding the Fourth Proportional to 10,842.20, 16,265.10 and 4,268.60

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Solution

The fourth proportional to 10,842.20, 16,265.10 and 4,268.60 is: 6,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.20 : 16,265.10 = 4,268.60 : x
  2. Step 2: Convert to fraction form
    10,842.20/16,265.10 = 4,268.60/x
  3. Step 3: Cross multiply
    10,842.20x = 16,265.10 × 4,268.60
  4. Step 4: Simplify right side
    10,842.20x = 69,429,205.86
  5. Step 5: Solve for x
    x = 69,429,205.86/10,842.20
  6. Step 6: Final answer
    x = 6,403.61

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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.