Home / 12,473.09-18,708.11-7,793.52

Finding the Fourth Proportional to 12,473.09, 18,708.11 and 7,793.52

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Solution

The fourth proportional to 12,473.09, 18,708.11 and 7,793.52 is: 11,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.09 : 18,708.11 = 7,793.52 : x
  2. Step 2: Convert to fraction form
    12,473.09/18,708.11 = 7,793.52/x
  3. Step 3: Cross multiply
    12,473.09x = 18,708.11 × 7,793.52
  4. Step 4: Simplify right side
    12,473.09x = 145,801,993.39
  5. Step 5: Solve for x
    x = 145,801,993.39/12,473.09
  6. Step 6: Final answer
    x = 11,689.33

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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.