Home / 10,933.43-16,400.16-3,142.26

Finding the Fourth Proportional to 10,933.43, 16,400.16 and 3,142.26

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Solution

The fourth proportional to 10,933.43, 16,400.16 and 3,142.26 is: 4,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.43 : 16,400.16 = 3,142.26 : x
  2. Step 2: Convert to fraction form
    10,933.43/16,400.16 = 3,142.26/x
  3. Step 3: Cross multiply
    10,933.43x = 16,400.16 × 3,142.26
  4. Step 4: Simplify right side
    10,933.43x = 51,533,566.76
  5. Step 5: Solve for x
    x = 51,533,566.76/10,933.43
  6. Step 6: Final answer
    x = 4,713.40

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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.