Home / 7,222.07-9,962.73-4,235.91

Finding the Fourth Proportional to 7,222.07, 9,962.73 and 4,235.91

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Solution

The fourth proportional to 7,222.07, 9,962.73 and 4,235.91 is: 5,843.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.07 : 9,962.73 = 4,235.91 : x
  2. Step 2: Convert to fraction form
    7,222.07/9,962.73 = 4,235.91/x
  3. Step 3: Cross multiply
    7,222.07x = 9,962.73 × 4,235.91
  4. Step 4: Simplify right side
    7,222.07x = 42,201,227.63
  5. Step 5: Solve for x
    x = 42,201,227.63/7,222.07
  6. Step 6: Final answer
    x = 5,843.37

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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.