Home / 11,575.98-15,974.78-6,540.27

Finding the Fourth Proportional to 11,575.98, 15,974.78 and 6,540.27

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Solution

The fourth proportional to 11,575.98, 15,974.78 and 6,540.27 is: 9,025.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.98 : 15,974.78 = 6,540.27 : x
  2. Step 2: Convert to fraction form
    11,575.98/15,974.78 = 6,540.27/x
  3. Step 3: Cross multiply
    11,575.98x = 15,974.78 × 6,540.27
  4. Step 4: Simplify right side
    11,575.98x = 104,479,341.69
  5. Step 5: Solve for x
    x = 104,479,341.69/11,575.98
  6. Step 6: Final answer
    x = 9,025.53

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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.