Home / 7,712.19-11,552.87-3,546.49

Finding the Fourth Proportional to 7,712.19, 11,552.87 and 3,546.49

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Solution

The fourth proportional to 7,712.19, 11,552.87 and 3,546.49 is: 5,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.19 : 11,552.87 = 3,546.49 : x
  2. Step 2: Convert to fraction form
    7,712.19/11,552.87 = 3,546.49/x
  3. Step 3: Cross multiply
    7,712.19x = 11,552.87 × 3,546.49
  4. Step 4: Simplify right side
    7,712.19x = 40,972,091.31
  5. Step 5: Solve for x
    x = 40,972,091.31/7,712.19
  6. Step 6: Final answer
    x = 5,312.64

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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.