Home / 8,650.28-11,926.44-5,661.38

Finding the Fourth Proportional to 8,650.28, 11,926.44 and 5,661.38

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Solution

The fourth proportional to 8,650.28, 11,926.44 and 5,661.38 is: 7,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.28 : 11,926.44 = 5,661.38 : x
  2. Step 2: Convert to fraction form
    8,650.28/11,926.44 = 5,661.38/x
  3. Step 3: Cross multiply
    8,650.28x = 11,926.44 × 5,661.38
  4. Step 4: Simplify right side
    8,650.28x = 67,520,108.89
  5. Step 5: Solve for x
    x = 67,520,108.89/8,650.28
  6. Step 6: Final answer
    x = 7,805.54

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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.