Home / 9,694.39-13,379.03-5,445.74

Finding the Fourth Proportional to 9,694.39, 13,379.03 and 5,445.74

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Solution

The fourth proportional to 9,694.39, 13,379.03 and 5,445.74 is: 7,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,694.39 : 13,379.03 = 5,445.74 : x
  2. Step 2: Convert to fraction form
    9,694.39/13,379.03 = 5,445.74/x
  3. Step 3: Cross multiply
    9,694.39x = 13,379.03 × 5,445.74
  4. Step 4: Simplify right side
    9,694.39x = 72,858,718.83
  5. Step 5: Solve for x
    x = 72,858,718.83/9,694.39
  6. Step 6: Final answer
    x = 7,515.55

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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.