Home / 7,845.17-11,772.61-4,150.22

Finding the Fourth Proportional to 7,845.17, 11,772.61 and 4,150.22

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Solution

The fourth proportional to 7,845.17, 11,772.61 and 4,150.22 is: 6,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.17 : 11,772.61 = 4,150.22 : x
  2. Step 2: Convert to fraction form
    7,845.17/11,772.61 = 4,150.22/x
  3. Step 3: Cross multiply
    7,845.17x = 11,772.61 × 4,150.22
  4. Step 4: Simplify right side
    7,845.17x = 48,858,852.24
  5. Step 5: Solve for x
    x = 48,858,852.24/7,845.17
  6. Step 6: Final answer
    x = 6,227.89

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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.