Home / 11,891.70-17,784.09-10,583.19

Finding the Fourth Proportional to 11,891.70, 17,784.09 and 10,583.19

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Solution

The fourth proportional to 11,891.70, 17,784.09 and 10,583.19 is: 15,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.70 : 17,784.09 = 10,583.19 : x
  2. Step 2: Convert to fraction form
    11,891.70/17,784.09 = 10,583.19/x
  3. Step 3: Cross multiply
    11,891.70x = 17,784.09 × 10,583.19
  4. Step 4: Simplify right side
    11,891.70x = 188,212,403.45
  5. Step 5: Solve for x
    x = 188,212,403.45/11,891.70
  6. Step 6: Final answer
    x = 15,827.21

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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.