Home / 7,994.05-11,031.37-4,456.57

Finding the Fourth Proportional to 7,994.05, 11,031.37 and 4,456.57

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Solution

The fourth proportional to 7,994.05, 11,031.37 and 4,456.57 is: 6,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.05 : 11,031.37 = 4,456.57 : x
  2. Step 2: Convert to fraction form
    7,994.05/11,031.37 = 4,456.57/x
  3. Step 3: Cross multiply
    7,994.05x = 11,031.37 × 4,456.57
  4. Step 4: Simplify right side
    7,994.05x = 49,162,072.60
  5. Step 5: Solve for x
    x = 49,162,072.60/7,994.05
  6. Step 6: Final answer
    x = 6,149.83

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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.