Home / 7,993.90-11,031.34-4,359.81

Finding the Fourth Proportional to 7,993.90, 11,031.34 and 4,359.81

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Solution

The fourth proportional to 7,993.90, 11,031.34 and 4,359.81 is: 6,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.90 : 11,031.34 = 4,359.81 : x
  2. Step 2: Convert to fraction form
    7,993.90/11,031.34 = 4,359.81/x
  3. Step 3: Cross multiply
    7,993.90x = 11,031.34 × 4,359.81
  4. Step 4: Simplify right side
    7,993.90x = 48,094,524.65
  5. Step 5: Solve for x
    x = 48,094,524.65/7,993.90
  6. Step 6: Final answer
    x = 6,016.41

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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.