Home / 11,790.21-16,270.11-6,484.98

Finding the Fourth Proportional to 11,790.21, 16,270.11 and 6,484.98

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Solution

The fourth proportional to 11,790.21, 16,270.11 and 6,484.98 is: 8,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.21 : 16,270.11 = 6,484.98 : x
  2. Step 2: Convert to fraction form
    11,790.21/16,270.11 = 6,484.98/x
  3. Step 3: Cross multiply
    11,790.21x = 16,270.11 × 6,484.98
  4. Step 4: Simplify right side
    11,790.21x = 105,511,337.95
  5. Step 5: Solve for x
    x = 105,511,337.95/11,790.21
  6. Step 6: Final answer
    x = 8,949.06

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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.