Home / 10,284.21-15,426.31-2,493.02

Finding the Fourth Proportional to 10,284.21, 15,426.31 and 2,493.02

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Solution

The fourth proportional to 10,284.21, 15,426.31 and 2,493.02 is: 3,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.21 : 15,426.31 = 2,493.02 : x
  2. Step 2: Convert to fraction form
    10,284.21/15,426.31 = 2,493.02/x
  3. Step 3: Cross multiply
    10,284.21x = 15,426.31 × 2,493.02
  4. Step 4: Simplify right side
    10,284.21x = 38,458,099.36
  5. Step 5: Solve for x
    x = 38,458,099.36/10,284.21
  6. Step 6: Final answer
    x = 3,739.53

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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.