Home / 12,375.03-17,078.45-7,069.73

Finding the Fourth Proportional to 12,375.03, 17,078.45 and 7,069.73

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Solution

The fourth proportional to 12,375.03, 17,078.45 and 7,069.73 is: 9,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.03 : 17,078.45 = 7,069.73 : x
  2. Step 2: Convert to fraction form
    12,375.03/17,078.45 = 7,069.73/x
  3. Step 3: Cross multiply
    12,375.03x = 17,078.45 × 7,069.73
  4. Step 4: Simplify right side
    12,375.03x = 120,739,994.97
  5. Step 5: Solve for x
    x = 120,739,994.97/12,375.03
  6. Step 6: Final answer
    x = 9,756.74

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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.