Home / 11,893.20-16,420.68-10,630.23

Finding the Fourth Proportional to 11,893.20, 16,420.68 and 10,630.23

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Solution

The fourth proportional to 11,893.20, 16,420.68 and 10,630.23 is: 14,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.20 : 16,420.68 = 10,630.23 : x
  2. Step 2: Convert to fraction form
    11,893.20/16,420.68 = 10,630.23/x
  3. Step 3: Cross multiply
    11,893.20x = 16,420.68 × 10,630.23
  4. Step 4: Simplify right side
    11,893.20x = 174,555,605.16
  5. Step 5: Solve for x
    x = 174,555,605.16/11,893.20
  6. Step 6: Final answer
    x = 14,676.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.