Home / 9,055.80-13,583.10-3,211.68

Finding the Fourth Proportional to 9,055.80, 13,583.10 and 3,211.68

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Solution

The fourth proportional to 9,055.80, 13,583.10 and 3,211.68 is: 4,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.80 : 13,583.10 = 3,211.68 : x
  2. Step 2: Convert to fraction form
    9,055.80/13,583.10 = 3,211.68/x
  3. Step 3: Cross multiply
    9,055.80x = 13,583.10 × 3,211.68
  4. Step 4: Simplify right side
    9,055.80x = 43,624,570.61
  5. Step 5: Solve for x
    x = 43,624,570.61/9,055.80
  6. Step 6: Final answer
    x = 4,817.31

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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.