Home / 10,935.43-16,403.16-3,144.26

Finding the Fourth Proportional to 10,935.43, 16,403.16 and 3,144.26

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Solution

The fourth proportional to 10,935.43, 16,403.16 and 3,144.26 is: 4,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.43 : 16,403.16 = 3,144.26 : x
  2. Step 2: Convert to fraction form
    10,935.43/16,403.16 = 3,144.26/x
  3. Step 3: Cross multiply
    10,935.43x = 16,403.16 × 3,144.26
  4. Step 4: Simplify right side
    10,935.43x = 51,575,799.86
  5. Step 5: Solve for x
    x = 51,575,799.86/10,935.43
  6. Step 6: Final answer
    x = 4,716.39

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1.5x scale

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.