Home / 7,543.31-11,311.30-4,424.33

Finding the Fourth Proportional to 7,543.31, 11,311.30 and 4,424.33

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Solution

The fourth proportional to 7,543.31, 11,311.30 and 4,424.33 is: 6,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.31 : 11,311.30 = 4,424.33 : x
  2. Step 2: Convert to fraction form
    7,543.31/11,311.30 = 4,424.33/x
  3. Step 3: Cross multiply
    7,543.31x = 11,311.30 × 4,424.33
  4. Step 4: Simplify right side
    7,543.31x = 50,044,923.93
  5. Step 5: Solve for x
    x = 50,044,923.93/7,543.31
  6. Step 6: Final answer
    x = 6,634.35

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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.