Home / 11,822.36-17,706.80-9,168.59

Finding the Fourth Proportional to 11,822.36, 17,706.80 and 9,168.59

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Solution

The fourth proportional to 11,822.36, 17,706.80 and 9,168.59 is: 13,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.36 : 17,706.80 = 9,168.59 : x
  2. Step 2: Convert to fraction form
    11,822.36/17,706.80 = 9,168.59/x
  3. Step 3: Cross multiply
    11,822.36x = 17,706.80 × 9,168.59
  4. Step 4: Simplify right side
    11,822.36x = 162,346,456.60
  5. Step 5: Solve for x
    x = 162,346,456.60/11,822.36
  6. Step 6: Final answer
    x = 13,732.16

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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.