Home / 8,019.81-12,028.77-2,177.01

Finding the Fourth Proportional to 8,019.81, 12,028.77 and 2,177.01

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Solution

The fourth proportional to 8,019.81, 12,028.77 and 2,177.01 is: 3,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.81 : 12,028.77 = 2,177.01 : x
  2. Step 2: Convert to fraction form
    8,019.81/12,028.77 = 2,177.01/x
  3. Step 3: Cross multiply
    8,019.81x = 12,028.77 × 2,177.01
  4. Step 4: Simplify right side
    8,019.81x = 26,186,752.58
  5. Step 5: Solve for x
    x = 26,186,752.58/8,019.81
  6. Step 6: Final answer
    x = 3,265.26

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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.