Home / 11,162.07-15,404.99-6,446.39

Finding the Fourth Proportional to 11,162.07, 15,404.99 and 6,446.39

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Solution

The fourth proportional to 11,162.07, 15,404.99 and 6,446.39 is: 8,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.07 : 15,404.99 = 6,446.39 : x
  2. Step 2: Convert to fraction form
    11,162.07/15,404.99 = 6,446.39/x
  3. Step 3: Cross multiply
    11,162.07x = 15,404.99 × 6,446.39
  4. Step 4: Simplify right side
    11,162.07x = 99,306,464.23
  5. Step 5: Solve for x
    x = 99,306,464.23/11,162.07
  6. Step 6: Final answer
    x = 8,896.78

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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.