Home / 12,695.22-19,042.20-4,797.72

Finding the Fourth Proportional to 12,695.22, 19,042.20 and 4,797.72

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Solution

The fourth proportional to 12,695.22, 19,042.20 and 4,797.72 is: 7,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.22 : 19,042.20 = 4,797.72 : x
  2. Step 2: Convert to fraction form
    12,695.22/19,042.20 = 4,797.72/x
  3. Step 3: Cross multiply
    12,695.22x = 19,042.20 × 4,797.72
  4. Step 4: Simplify right side
    12,695.22x = 91,359,143.78
  5. Step 5: Solve for x
    x = 91,359,143.78/12,695.22
  6. Step 6: Final answer
    x = 7,196.34

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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.