Home / 10,079.90-15,119.99-2,684.33

Finding the Fourth Proportional to 10,079.90, 15,119.99 and 2,684.33

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Solution

The fourth proportional to 10,079.90, 15,119.99 and 2,684.33 is: 4,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.90 : 15,119.99 = 2,684.33 : x
  2. Step 2: Convert to fraction form
    10,079.90/15,119.99 = 2,684.33/x
  3. Step 3: Cross multiply
    10,079.90x = 15,119.99 × 2,684.33
  4. Step 4: Simplify right side
    10,079.90x = 40,587,042.76
  5. Step 5: Solve for x
    x = 40,587,042.76/10,079.90
  6. Step 6: Final answer
    x = 4,026.53

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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.