Home / 12,002.58-16,563.96-6,698.70

Finding the Fourth Proportional to 12,002.58, 16,563.96 and 6,698.70

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Solution

The fourth proportional to 12,002.58, 16,563.96 and 6,698.70 is: 9,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.58 : 16,563.96 = 6,698.70 : x
  2. Step 2: Convert to fraction form
    12,002.58/16,563.96 = 6,698.70/x
  3. Step 3: Cross multiply
    12,002.58x = 16,563.96 × 6,698.70
  4. Step 4: Simplify right side
    12,002.58x = 110,956,998.85
  5. Step 5: Solve for x
    x = 110,956,998.85/12,002.58
  6. Step 6: Final answer
    x = 9,244.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.