Home / 9,418.43-14,128.16-2,844.45

Finding the Fourth Proportional to 9,418.43, 14,128.16 and 2,844.45

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Solution

The fourth proportional to 9,418.43, 14,128.16 and 2,844.45 is: 4,266.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.43 : 14,128.16 = 2,844.45 : x
  2. Step 2: Convert to fraction form
    9,418.43/14,128.16 = 2,844.45/x
  3. Step 3: Cross multiply
    9,418.43x = 14,128.16 × 2,844.45
  4. Step 4: Simplify right side
    9,418.43x = 40,186,830.49
  5. Step 5: Solve for x
    x = 40,186,830.49/9,418.43
  6. Step 6: Final answer
    x = 4,266.83

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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.