Home / 9,209.41-13,815.48-3,285.83

Finding the Fourth Proportional to 9,209.41, 13,815.48 and 3,285.83

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Solution

The fourth proportional to 9,209.41, 13,815.48 and 3,285.83 is: 4,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.41 : 13,815.48 = 3,285.83 : x
  2. Step 2: Convert to fraction form
    9,209.41/13,815.48 = 3,285.83/x
  3. Step 3: Cross multiply
    9,209.41x = 13,815.48 × 3,285.83
  4. Step 4: Simplify right side
    9,209.41x = 45,395,365.51
  5. Step 5: Solve for x
    x = 45,395,365.51/9,209.41
  6. Step 6: Final answer
    x = 4,929.24

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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.