Home / 11,478.62-17,309.74-11,322.56

Finding the Fourth Proportional to 11,478.62, 17,309.74 and 11,322.56

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Solution

The fourth proportional to 11,478.62, 17,309.74 and 11,322.56 is: 17,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.62 : 17,309.74 = 11,322.56 : x
  2. Step 2: Convert to fraction form
    11,478.62/17,309.74 = 11,322.56/x
  3. Step 3: Cross multiply
    11,478.62x = 17,309.74 × 11,322.56
  4. Step 4: Simplify right side
    11,478.62x = 195,990,569.73
  5. Step 5: Solve for x
    x = 195,990,569.73/11,478.62
  6. Step 6: Final answer
    x = 17,074.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.