Home / 12,567.45-18,850.74-3,207.42

Finding the Fourth Proportional to 12,567.45, 18,850.74 and 3,207.42

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Solution

The fourth proportional to 12,567.45, 18,850.74 and 3,207.42 is: 4,811.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.45 : 18,850.74 = 3,207.42 : x
  2. Step 2: Convert to fraction form
    12,567.45/18,850.74 = 3,207.42/x
  3. Step 3: Cross multiply
    12,567.45x = 18,850.74 × 3,207.42
  4. Step 4: Simplify right side
    12,567.45x = 60,462,240.49
  5. Step 5: Solve for x
    x = 60,462,240.49/12,567.45
  6. Step 6: Final answer
    x = 4,811.02

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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.