Home / 7,236.52-9,986.40-4,092.64

Finding the Fourth Proportional to 7,236.52, 9,986.40 and 4,092.64

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Solution

The fourth proportional to 7,236.52, 9,986.40 and 4,092.64 is: 5,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.52 : 9,986.40 = 4,092.64 : x
  2. Step 2: Convert to fraction form
    7,236.52/9,986.40 = 4,092.64/x
  3. Step 3: Cross multiply
    7,236.52x = 9,986.40 × 4,092.64
  4. Step 4: Simplify right side
    7,236.52x = 40,870,740.10
  5. Step 5: Solve for x
    x = 40,870,740.10/7,236.52
  6. Step 6: Final answer
    x = 5,647.84

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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.