Home / 12,372.96-18,555.48-4,050.72

Finding the Fourth Proportional to 12,372.96, 18,555.48 and 4,050.72

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Solution

The fourth proportional to 12,372.96, 18,555.48 and 4,050.72 is: 6,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.96 : 18,555.48 = 4,050.72 : x
  2. Step 2: Convert to fraction form
    12,372.96/18,555.48 = 4,050.72/x
  3. Step 3: Cross multiply
    12,372.96x = 18,555.48 × 4,050.72
  4. Step 4: Simplify right side
    12,372.96x = 75,163,053.95
  5. Step 5: Solve for x
    x = 75,163,053.95/12,372.96
  6. Step 6: Final answer
    x = 6,074.78

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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.