Home / 11,265.45-16,898.16-2,945.43

Finding the Fourth Proportional to 11,265.45, 16,898.16 and 2,945.43

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Solution

The fourth proportional to 11,265.45, 16,898.16 and 2,945.43 is: 4,418.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.45 : 16,898.16 = 2,945.43 : x
  2. Step 2: Convert to fraction form
    11,265.45/16,898.16 = 2,945.43/x
  3. Step 3: Cross multiply
    11,265.45x = 16,898.16 × 2,945.43
  4. Step 4: Simplify right side
    11,265.45x = 49,772,347.41
  5. Step 5: Solve for x
    x = 49,772,347.41/11,265.45
  6. Step 6: Final answer
    x = 4,418.14

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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.