Home / 11,591.45-15,998.46-7,612.46

Finding the Fourth Proportional to 11,591.45, 15,998.46 and 7,612.46

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Solution

The fourth proportional to 11,591.45, 15,998.46 and 7,612.46 is: 10,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.45 : 15,998.46 = 7,612.46 : x
  2. Step 2: Convert to fraction form
    11,591.45/15,998.46 = 7,612.46/x
  3. Step 3: Cross multiply
    11,591.45x = 15,998.46 × 7,612.46
  4. Step 4: Simplify right side
    11,591.45x = 121,787,556.82
  5. Step 5: Solve for x
    x = 121,787,556.82/11,591.45
  6. Step 6: Final answer
    x = 10,506.68

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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.