Home / 7,734.07-11,599.75-2,186.11

Finding the Fourth Proportional to 7,734.07, 11,599.75 and 2,186.11

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Solution

The fourth proportional to 7,734.07, 11,599.75 and 2,186.11 is: 3,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,734.07 : 11,599.75 = 2,186.11 : x
  2. Step 2: Convert to fraction form
    7,734.07/11,599.75 = 2,186.11/x
  3. Step 3: Cross multiply
    7,734.07x = 11,599.75 × 2,186.11
  4. Step 4: Simplify right side
    7,734.07x = 25,358,329.47
  5. Step 5: Solve for x
    x = 25,358,329.47/7,734.07
  6. Step 6: Final answer
    x = 3,278.78

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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.