Home / 11,496.16-17,166.36-9,129.62

Finding the Fourth Proportional to 11,496.16, 17,166.36 and 9,129.62

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Solution

The fourth proportional to 11,496.16, 17,166.36 and 9,129.62 is: 13,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,496.16 : 17,166.36 = 9,129.62 : x
  2. Step 2: Convert to fraction form
    11,496.16/17,166.36 = 9,129.62/x
  3. Step 3: Cross multiply
    11,496.16x = 17,166.36 × 9,129.62
  4. Step 4: Simplify right side
    11,496.16x = 156,722,343.58
  5. Step 5: Solve for x
    x = 156,722,343.58/11,496.16
  6. Step 6: Final answer
    x = 13,632.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.