Home / 7,982.02-11,980.42-4,036.06

Finding the Fourth Proportional to 7,982.02, 11,980.42 and 4,036.06

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Solution

The fourth proportional to 7,982.02, 11,980.42 and 4,036.06 is: 6,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.02 : 11,980.42 = 4,036.06 : x
  2. Step 2: Convert to fraction form
    7,982.02/11,980.42 = 4,036.06/x
  3. Step 3: Cross multiply
    7,982.02x = 11,980.42 × 4,036.06
  4. Step 4: Simplify right side
    7,982.02x = 48,353,693.95
  5. Step 5: Solve for x
    x = 48,353,693.95/7,982.02
  6. Step 6: Final answer
    x = 6,057.83

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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.