Home / 12,416.08-18,623.74-3,651.16

Finding the Fourth Proportional to 12,416.08, 18,623.74 and 3,651.16

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Solution

The fourth proportional to 12,416.08, 18,623.74 and 3,651.16 is: 5,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.08 : 18,623.74 = 3,651.16 : x
  2. Step 2: Convert to fraction form
    12,416.08/18,623.74 = 3,651.16/x
  3. Step 3: Cross multiply
    12,416.08x = 18,623.74 × 3,651.16
  4. Step 4: Simplify right side
    12,416.08x = 67,998,254.54
  5. Step 5: Solve for x
    x = 67,998,254.54/12,416.08
  6. Step 6: Final answer
    x = 5,476.63

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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.