Home / 8,020.86-12,032.40-2,474.64

Finding the Fourth Proportional to 8,020.86, 12,032.40 and 2,474.64

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Solution

The fourth proportional to 8,020.86, 12,032.40 and 2,474.64 is: 3,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.86 : 12,032.40 = 2,474.64 : x
  2. Step 2: Convert to fraction form
    8,020.86/12,032.40 = 2,474.64/x
  3. Step 3: Cross multiply
    8,020.86x = 12,032.40 × 2,474.64
  4. Step 4: Simplify right side
    8,020.86x = 29,775,858.34
  5. Step 5: Solve for x
    x = 29,775,858.34/8,020.86
  6. Step 6: Final answer
    x = 3,712.30

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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.