Home / 10,926.14-16,391.32-4,685.28

Finding the Fourth Proportional to 10,926.14, 16,391.32 and 4,685.28

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Solution

The fourth proportional to 10,926.14, 16,391.32 and 4,685.28 is: 7,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.14 : 16,391.32 = 4,685.28 : x
  2. Step 2: Convert to fraction form
    10,926.14/16,391.32 = 4,685.28/x
  3. Step 3: Cross multiply
    10,926.14x = 16,391.32 × 4,685.28
  4. Step 4: Simplify right side
    10,926.14x = 76,797,923.77
  5. Step 5: Solve for x
    x = 76,797,923.77/10,926.14
  6. Step 6: Final answer
    x = 7,028.82

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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.