Home / 12,734.97-17,574.41-7,069.83

Finding the Fourth Proportional to 12,734.97, 17,574.41 and 7,069.83

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Solution

The fourth proportional to 12,734.97, 17,574.41 and 7,069.83 is: 9,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.97 : 17,574.41 = 7,069.83 : x
  2. Step 2: Convert to fraction form
    12,734.97/17,574.41 = 7,069.83/x
  3. Step 3: Cross multiply
    12,734.97x = 17,574.41 × 7,069.83
  4. Step 4: Simplify right side
    12,734.97x = 124,248,091.05
  5. Step 5: Solve for x
    x = 124,248,091.05/12,734.97
  6. Step 6: Final answer
    x = 9,756.45

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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.