Home / 8,926.58-13,391.01-2,686.79

Finding the Fourth Proportional to 8,926.58, 13,391.01 and 2,686.79

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Solution

The fourth proportional to 8,926.58, 13,391.01 and 2,686.79 is: 4,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.58 : 13,391.01 = 2,686.79 : x
  2. Step 2: Convert to fraction form
    8,926.58/13,391.01 = 2,686.79/x
  3. Step 3: Cross multiply
    8,926.58x = 13,391.01 × 2,686.79
  4. Step 4: Simplify right side
    8,926.58x = 35,978,865.24
  5. Step 5: Solve for x
    x = 35,978,865.24/8,926.58
  6. Step 6: Final answer
    x = 4,030.53

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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.