Home / 10,078.18-13,908.09-6,100.60

Finding the Fourth Proportional to 10,078.18, 13,908.09 and 6,100.60

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Solution

The fourth proportional to 10,078.18, 13,908.09 and 6,100.60 is: 8,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.18 : 13,908.09 = 6,100.60 : x
  2. Step 2: Convert to fraction form
    10,078.18/13,908.09 = 6,100.60/x
  3. Step 3: Cross multiply
    10,078.18x = 13,908.09 × 6,100.60
  4. Step 4: Simplify right side
    10,078.18x = 84,847,693.85
  5. Step 5: Solve for x
    x = 84,847,693.85/10,078.18
  6. Step 6: Final answer
    x = 8,418.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.