Home / 12,002.48-18,007.06-3,682.77

Finding the Fourth Proportional to 12,002.48, 18,007.06 and 3,682.77

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Solution

The fourth proportional to 12,002.48, 18,007.06 and 3,682.77 is: 5,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.48 : 18,007.06 = 3,682.77 : x
  2. Step 2: Convert to fraction form
    12,002.48/18,007.06 = 3,682.77/x
  3. Step 3: Cross multiply
    12,002.48x = 18,007.06 × 3,682.77
  4. Step 4: Simplify right side
    12,002.48x = 66,315,860.36
  5. Step 5: Solve for x
    x = 66,315,860.36/12,002.48
  6. Step 6: Final answer
    x = 5,525.18

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1.5x scale

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.