Home / 9,829.12-14,744.62-2,809.38

Finding the Fourth Proportional to 9,829.12, 14,744.62 and 2,809.38

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Solution

The fourth proportional to 9,829.12, 14,744.62 and 2,809.38 is: 4,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.12 : 14,744.62 = 2,809.38 : x
  2. Step 2: Convert to fraction form
    9,829.12/14,744.62 = 2,809.38/x
  3. Step 3: Cross multiply
    9,829.12x = 14,744.62 × 2,809.38
  4. Step 4: Simplify right side
    9,829.12x = 41,423,240.54
  5. Step 5: Solve for x
    x = 41,423,240.54/9,829.12
  6. Step 6: Final answer
    x = 4,214.34

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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.