Home / 7,712.09-11,552.73-3,546.39

Finding the Fourth Proportional to 7,712.09, 11,552.73 and 3,546.39

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Solution

The fourth proportional to 7,712.09, 11,552.73 and 3,546.39 is: 5,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.09 : 11,552.73 = 3,546.39 : x
  2. Step 2: Convert to fraction form
    7,712.09/11,552.73 = 3,546.39/x
  3. Step 3: Cross multiply
    7,712.09x = 11,552.73 × 3,546.39
  4. Step 4: Simplify right side
    7,712.09x = 40,970,516.17
  5. Step 5: Solve for x
    x = 40,970,516.17/7,712.09
  6. Step 6: Final answer
    x = 5,312.50

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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.