Home / 12,179.73-16,806.23-7,397.19

Finding the Fourth Proportional to 12,179.73, 16,806.23 and 7,397.19

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Solution

The fourth proportional to 12,179.73, 16,806.23 and 7,397.19 is: 10,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.73 : 16,806.23 = 7,397.19 : x
  2. Step 2: Convert to fraction form
    12,179.73/16,806.23 = 7,397.19/x
  3. Step 3: Cross multiply
    12,179.73x = 16,806.23 × 7,397.19
  4. Step 4: Simplify right side
    12,179.73x = 124,318,867.25
  5. Step 5: Solve for x
    x = 124,318,867.25/12,179.73
  6. Step 6: Final answer
    x = 10,207.03

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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.