Home / 10,845.90-16,268.85-4,268.49

Finding the Fourth Proportional to 10,845.90, 16,268.85 and 4,268.49

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Solution

The fourth proportional to 10,845.90, 16,268.85 and 4,268.49 is: 6,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.90 : 16,268.85 = 4,268.49 : x
  2. Step 2: Convert to fraction form
    10,845.90/16,268.85 = 4,268.49/x
  3. Step 3: Cross multiply
    10,845.90x = 16,268.85 × 4,268.49
  4. Step 4: Simplify right side
    10,845.90x = 69,443,423.54
  5. Step 5: Solve for x
    x = 69,443,423.54/10,845.90
  6. Step 6: Final answer
    x = 6,402.74

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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.