Home / 7,993.86-11,031.42-4,456.98

Finding the Fourth Proportional to 7,993.86, 11,031.42 and 4,456.98

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Solution

The fourth proportional to 7,993.86, 11,031.42 and 4,456.98 is: 6,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.86 : 11,031.42 = 4,456.98 : x
  2. Step 2: Convert to fraction form
    7,993.86/11,031.42 = 4,456.98/x
  3. Step 3: Cross multiply
    7,993.86x = 11,031.42 × 4,456.98
  4. Step 4: Simplify right side
    7,993.86x = 49,166,818.31
  5. Step 5: Solve for x
    x = 49,166,818.31/7,993.86
  6. Step 6: Final answer
    x = 6,150.57

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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.