Home / 12,442.22-17,167.28-7,063.46

Finding the Fourth Proportional to 12,442.22, 17,167.28 and 7,063.46

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Solution

The fourth proportional to 12,442.22, 17,167.28 and 7,063.46 is: 9,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.22 : 17,167.28 = 7,063.46 : x
  2. Step 2: Convert to fraction form
    12,442.22/17,167.28 = 7,063.46/x
  3. Step 3: Cross multiply
    12,442.22x = 17,167.28 × 7,063.46
  4. Step 4: Simplify right side
    12,442.22x = 121,260,274.44
  5. Step 5: Solve for x
    x = 121,260,274.44/12,442.22
  6. Step 6: Final answer
    x = 9,745.88

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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.