Home / 11,011.29-16,516.93-3,992.23

Finding the Fourth Proportional to 11,011.29, 16,516.93 and 3,992.23

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Solution

The fourth proportional to 11,011.29, 16,516.93 and 3,992.23 is: 5,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.29 : 16,516.93 = 3,992.23 : x
  2. Step 2: Convert to fraction form
    11,011.29/16,516.93 = 3,992.23/x
  3. Step 3: Cross multiply
    11,011.29x = 16,516.93 × 3,992.23
  4. Step 4: Simplify right side
    11,011.29x = 65,939,383.45
  5. Step 5: Solve for x
    x = 65,939,383.45/11,011.29
  6. Step 6: Final answer
    x = 5,988.34

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Half scale
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Double scale
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Similar ratio
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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.