Home / 9,172.49-13,765.62-4,245.58

Finding the Fourth Proportional to 9,172.49, 13,765.62 and 4,245.58

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Solution

The fourth proportional to 9,172.49, 13,765.62 and 4,245.58 is: 6,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.49 : 13,765.62 = 4,245.58 : x
  2. Step 2: Convert to fraction form
    9,172.49/13,765.62 = 4,245.58/x
  3. Step 3: Cross multiply
    9,172.49x = 13,765.62 × 4,245.58
  4. Step 4: Simplify right side
    9,172.49x = 58,442,972.13
  5. Step 5: Solve for x
    x = 58,442,972.13/9,172.49
  6. Step 6: Final answer
    x = 6,371.55

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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.