Home / 10,775.14-16,162.63-7,394.55

Finding the Fourth Proportional to 10,775.14, 16,162.63 and 7,394.55

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Solution

The fourth proportional to 10,775.14, 16,162.63 and 7,394.55 is: 11,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.14 : 16,162.63 = 7,394.55 : x
  2. Step 2: Convert to fraction form
    10,775.14/16,162.63 = 7,394.55/x
  3. Step 3: Cross multiply
    10,775.14x = 16,162.63 × 7,394.55
  4. Step 4: Simplify right side
    10,775.14x = 119,515,375.67
  5. Step 5: Solve for x
    x = 119,515,375.67/10,775.14
  6. Step 6: Final answer
    x = 11,091.78

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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.