Home / 8,131.90-11,222.49-4,596.34

Finding the Fourth Proportional to 8,131.90, 11,222.49 and 4,596.34

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Solution

The fourth proportional to 8,131.90, 11,222.49 and 4,596.34 is: 6,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.90 : 11,222.49 = 4,596.34 : x
  2. Step 2: Convert to fraction form
    8,131.90/11,222.49 = 4,596.34/x
  3. Step 3: Cross multiply
    8,131.90x = 11,222.49 × 4,596.34
  4. Step 4: Simplify right side
    8,131.90x = 51,582,379.69
  5. Step 5: Solve for x
    x = 51,582,379.69/8,131.90
  6. Step 6: Final answer
    x = 6,343.21

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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.