Home / 11,724.03-16,174.35-8,574.75

Finding the Fourth Proportional to 11,724.03, 16,174.35 and 8,574.75

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Solution

The fourth proportional to 11,724.03, 16,174.35 and 8,574.75 is: 11,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.03 : 16,174.35 = 8,574.75 : x
  2. Step 2: Convert to fraction form
    11,724.03/16,174.35 = 8,574.75/x
  3. Step 3: Cross multiply
    11,724.03x = 16,174.35 × 8,574.75
  4. Step 4: Simplify right side
    11,724.03x = 138,691,007.66
  5. Step 5: Solve for x
    x = 138,691,007.66/11,724.03
  6. Step 6: Final answer
    x = 11,829.64

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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.