Home / 9,251.15-12,768.96-5,712.33

Finding the Fourth Proportional to 9,251.15, 12,768.96 and 5,712.33

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Solution

The fourth proportional to 9,251.15, 12,768.96 and 5,712.33 is: 7,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.15 : 12,768.96 = 5,712.33 : x
  2. Step 2: Convert to fraction form
    9,251.15/12,768.96 = 5,712.33/x
  3. Step 3: Cross multiply
    9,251.15x = 12,768.96 × 5,712.33
  4. Step 4: Simplify right side
    9,251.15x = 72,940,534.70
  5. Step 5: Solve for x
    x = 72,940,534.70/9,251.15
  6. Step 6: Final answer
    x = 7,884.48

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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.