Home / 8,682.04-13,019.73-3,133.99

Finding the Fourth Proportional to 8,682.04, 13,019.73 and 3,133.99

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Solution

The fourth proportional to 8,682.04, 13,019.73 and 3,133.99 is: 4,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.04 : 13,019.73 = 3,133.99 : x
  2. Step 2: Convert to fraction form
    8,682.04/13,019.73 = 3,133.99/x
  3. Step 3: Cross multiply
    8,682.04x = 13,019.73 × 3,133.99
  4. Step 4: Simplify right side
    8,682.04x = 40,803,703.62
  5. Step 5: Solve for x
    x = 40,803,703.62/8,682.04
  6. Step 6: Final answer
    x = 4,699.78

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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.