Home / 8,926.10-13,389.80-2,685.62

Finding the Fourth Proportional to 8,926.10, 13,389.80 and 2,685.62

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Solution

The fourth proportional to 8,926.10, 13,389.80 and 2,685.62 is: 4,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.10 : 13,389.80 = 2,685.62 : x
  2. Step 2: Convert to fraction form
    8,926.10/13,389.80 = 2,685.62/x
  3. Step 3: Cross multiply
    8,926.10x = 13,389.80 × 2,685.62
  4. Step 4: Simplify right side
    8,926.10x = 35,959,914.68
  5. Step 5: Solve for x
    x = 35,959,914.68/8,926.10
  6. Step 6: Final answer
    x = 4,028.63

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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.