Home / 9,175.24-13,770.42-3,980.44

Finding the Fourth Proportional to 9,175.24, 13,770.42 and 3,980.44

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Solution

The fourth proportional to 9,175.24, 13,770.42 and 3,980.44 is: 5,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.24 : 13,770.42 = 3,980.44 : x
  2. Step 2: Convert to fraction form
    9,175.24/13,770.42 = 3,980.44/x
  3. Step 3: Cross multiply
    9,175.24x = 13,770.42 × 3,980.44
  4. Step 4: Simplify right side
    9,175.24x = 54,812,330.58
  5. Step 5: Solve for x
    x = 54,812,330.58/9,175.24
  6. Step 6: Final answer
    x = 5,973.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.