Home / 11,998.88-16,554.12-6,960.33

Finding the Fourth Proportional to 11,998.88, 16,554.12 and 6,960.33

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Solution

The fourth proportional to 11,998.88, 16,554.12 and 6,960.33 is: 9,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.88 : 16,554.12 = 6,960.33 : x
  2. Step 2: Convert to fraction form
    11,998.88/16,554.12 = 6,960.33/x
  3. Step 3: Cross multiply
    11,998.88x = 16,554.12 × 6,960.33
  4. Step 4: Simplify right side
    11,998.88x = 115,222,151.11
  5. Step 5: Solve for x
    x = 115,222,151.11/11,998.88
  6. Step 6: Final answer
    x = 9,602.74

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.