Home / 8,431.98-11,633.87-5,446.73

Finding the Fourth Proportional to 8,431.98, 11,633.87 and 5,446.73

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Solution

The fourth proportional to 8,431.98, 11,633.87 and 5,446.73 is: 7,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.98 : 11,633.87 = 5,446.73 : x
  2. Step 2: Convert to fraction form
    8,431.98/11,633.87 = 5,446.73/x
  3. Step 3: Cross multiply
    8,431.98x = 11,633.87 × 5,446.73
  4. Step 4: Simplify right side
    8,431.98x = 63,366,463.34
  5. Step 5: Solve for x
    x = 63,366,463.34/8,431.98
  6. Step 6: Final answer
    x = 7,515.02

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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.