Home / 12,521.07-17,242.34-11,194.29

Finding the Fourth Proportional to 12,521.07, 17,242.34 and 11,194.29

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Solution

The fourth proportional to 12,521.07, 17,242.34 and 11,194.29 is: 15,415.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.07 : 17,242.34 = 11,194.29 : x
  2. Step 2: Convert to fraction form
    12,521.07/17,242.34 = 11,194.29/x
  3. Step 3: Cross multiply
    12,521.07x = 17,242.34 × 11,194.29
  4. Step 4: Simplify right side
    12,521.07x = 193,015,698.27
  5. Step 5: Solve for x
    x = 193,015,698.27/12,521.07
  6. Step 6: Final answer
    x = 15,415.27

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.