Home / 9,429.08-14,146.26-2,855.33

Finding the Fourth Proportional to 9,429.08, 14,146.26 and 2,855.33

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Solution

The fourth proportional to 9,429.08, 14,146.26 and 2,855.33 is: 4,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.08 : 14,146.26 = 2,855.33 : x
  2. Step 2: Convert to fraction form
    9,429.08/14,146.26 = 2,855.33/x
  3. Step 3: Cross multiply
    9,429.08x = 14,146.26 × 2,855.33
  4. Step 4: Simplify right side
    9,429.08x = 40,392,169.83
  5. Step 5: Solve for x
    x = 40,392,169.83/9,429.08
  6. Step 6: Final answer
    x = 4,283.79

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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.