Home / 13,052.20-18,012.04-7,083.96

Finding the Fourth Proportional to 13,052.20, 18,012.04 and 7,083.96

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Solution

The fourth proportional to 13,052.20, 18,012.04 and 7,083.96 is: 9,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.20 : 18,012.04 = 7,083.96 : x
  2. Step 2: Convert to fraction form
    13,052.20/18,012.04 = 7,083.96/x
  3. Step 3: Cross multiply
    13,052.20x = 18,012.04 × 7,083.96
  4. Step 4: Simplify right side
    13,052.20x = 127,596,570.88
  5. Step 5: Solve for x
    x = 127,596,570.88/13,052.20
  6. Step 6: Final answer
    x = 9,775.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.