Home / 11,557.14-17,339.19-4,890.21

Finding the Fourth Proportional to 11,557.14, 17,339.19 and 4,890.21

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Solution

The fourth proportional to 11,557.14, 17,339.19 and 4,890.21 is: 7,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.14 : 17,339.19 = 4,890.21 : x
  2. Step 2: Convert to fraction form
    11,557.14/17,339.19 = 4,890.21/x
  3. Step 3: Cross multiply
    11,557.14x = 17,339.19 × 4,890.21
  4. Step 4: Simplify right side
    11,557.14x = 84,792,280.33
  5. Step 5: Solve for x
    x = 84,792,280.33/11,557.14
  6. Step 6: Final answer
    x = 7,336.79

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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.