Home / 12,451.36-18,675.12-5,524.64

Finding the Fourth Proportional to 12,451.36, 18,675.12 and 5,524.64

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Solution

The fourth proportional to 12,451.36, 18,675.12 and 5,524.64 is: 8,286.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.36 : 18,675.12 = 5,524.64 : x
  2. Step 2: Convert to fraction form
    12,451.36/18,675.12 = 5,524.64/x
  3. Step 3: Cross multiply
    12,451.36x = 18,675.12 × 5,524.64
  4. Step 4: Simplify right side
    12,451.36x = 103,173,314.96
  5. Step 5: Solve for x
    x = 103,173,314.96/12,451.36
  6. Step 6: Final answer
    x = 8,286.11

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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.