Home / 12,193.39-16,826.79-6,888.19

Finding the Fourth Proportional to 12,193.39, 16,826.79 and 6,888.19

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Solution

The fourth proportional to 12,193.39, 16,826.79 and 6,888.19 is: 9,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.39 : 16,826.79 = 6,888.19 : x
  2. Step 2: Convert to fraction form
    12,193.39/16,826.79 = 6,888.19/x
  3. Step 3: Cross multiply
    12,193.39x = 16,826.79 × 6,888.19
  4. Step 4: Simplify right side
    12,193.39x = 115,906,173.47
  5. Step 5: Solve for x
    x = 115,906,173.47/12,193.39
  6. Step 6: Final answer
    x = 9,505.66

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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.