Home / 11,230.68-15,498.31-6,450.94

Finding the Fourth Proportional to 11,230.68, 15,498.31 and 6,450.94

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Solution

The fourth proportional to 11,230.68, 15,498.31 and 6,450.94 is: 8,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.68 : 15,498.31 = 6,450.94 : x
  2. Step 2: Convert to fraction form
    11,230.68/15,498.31 = 6,450.94/x
  3. Step 3: Cross multiply
    11,230.68x = 15,498.31 × 6,450.94
  4. Step 4: Simplify right side
    11,230.68x = 99,978,613.04
  5. Step 5: Solve for x
    x = 99,978,613.04/11,230.68
  6. Step 6: Final answer
    x = 8,902.28

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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.