Home / 10,078.90-15,118.49-2,683.33

Finding the Fourth Proportional to 10,078.90, 15,118.49 and 2,683.33

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Solution

The fourth proportional to 10,078.90, 15,118.49 and 2,683.33 is: 4,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.90 : 15,118.49 = 2,683.33 : x
  2. Step 2: Convert to fraction form
    10,078.90/15,118.49 = 2,683.33/x
  3. Step 3: Cross multiply
    10,078.90x = 15,118.49 × 2,683.33
  4. Step 4: Simplify right side
    10,078.90x = 40,567,866.68
  5. Step 5: Solve for x
    x = 40,567,866.68/10,078.90
  6. Step 6: Final answer
    x = 4,025.03

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1.5x scale

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.