Home / 10,194.08-15,291.14-2,798.63

Finding the Fourth Proportional to 10,194.08, 15,291.14 and 2,798.63

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Solution

The fourth proportional to 10,194.08, 15,291.14 and 2,798.63 is: 4,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.08 : 15,291.14 = 2,798.63 : x
  2. Step 2: Convert to fraction form
    10,194.08/15,291.14 = 2,798.63/x
  3. Step 3: Cross multiply
    10,194.08x = 15,291.14 × 2,798.63
  4. Step 4: Simplify right side
    10,194.08x = 42,794,229.15
  5. Step 5: Solve for x
    x = 42,794,229.15/10,194.08
  6. Step 6: Final answer
    x = 4,197.95

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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.