Home / 11,552.18-15,942.24-6,775.79

Finding the Fourth Proportional to 11,552.18, 15,942.24 and 6,775.79

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Solution

The fourth proportional to 11,552.18, 15,942.24 and 6,775.79 is: 9,350.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.18 : 15,942.24 = 6,775.79 : x
  2. Step 2: Convert to fraction form
    11,552.18/15,942.24 = 6,775.79/x
  3. Step 3: Cross multiply
    11,552.18x = 15,942.24 × 6,775.79
  4. Step 4: Simplify right side
    11,552.18x = 108,021,190.66
  5. Step 5: Solve for x
    x = 108,021,190.66/11,552.18
  6. Step 6: Final answer
    x = 9,350.72

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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.