Home / 12,635.08-18,941.90-5,234.92

Finding the Fourth Proportional to 12,635.08, 18,941.90 and 5,234.92

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Solution

The fourth proportional to 12,635.08, 18,941.90 and 5,234.92 is: 7,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.08 : 18,941.90 = 5,234.92 : x
  2. Step 2: Convert to fraction form
    12,635.08/18,941.90 = 5,234.92/x
  3. Step 3: Cross multiply
    12,635.08x = 18,941.90 × 5,234.92
  4. Step 4: Simplify right side
    12,635.08x = 99,159,331.15
  5. Step 5: Solve for x
    x = 99,159,331.15/12,635.08
  6. Step 6: Final answer
    x = 7,847.94

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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.