Home / 12,322.12-18,482.92-4,002.12

Finding the Fourth Proportional to 12,322.12, 18,482.92 and 4,002.12

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Solution

The fourth proportional to 12,322.12, 18,482.92 and 4,002.12 is: 6,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.12 : 18,482.92 = 4,002.12 : x
  2. Step 2: Convert to fraction form
    12,322.12/18,482.92 = 4,002.12/x
  3. Step 3: Cross multiply
    12,322.12x = 18,482.92 × 4,002.12
  4. Step 4: Simplify right side
    12,322.12x = 73,970,863.79
  5. Step 5: Solve for x
    x = 73,970,863.79/12,322.12
  6. Step 6: Final answer
    x = 6,003.10

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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.