Home / 8,635.44-12,956.80-5,518.96

Finding the Fourth Proportional to 8,635.44, 12,956.80 and 5,518.96

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Solution

The fourth proportional to 8,635.44, 12,956.80 and 5,518.96 is: 8,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.44 : 12,956.80 = 5,518.96 : x
  2. Step 2: Convert to fraction form
    8,635.44/12,956.80 = 5,518.96/x
  3. Step 3: Cross multiply
    8,635.44x = 12,956.80 × 5,518.96
  4. Step 4: Simplify right side
    8,635.44x = 71,508,060.93
  5. Step 5: Solve for x
    x = 71,508,060.93/8,635.44
  6. Step 6: Final answer
    x = 8,280.77

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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.