Home / 9,556.38-13,190.61-6,374.31

Finding the Fourth Proportional to 9,556.38, 13,190.61 and 6,374.31

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Solution

The fourth proportional to 9,556.38, 13,190.61 and 6,374.31 is: 8,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.38 : 13,190.61 = 6,374.31 : x
  2. Step 2: Convert to fraction form
    9,556.38/13,190.61 = 6,374.31/x
  3. Step 3: Cross multiply
    9,556.38x = 13,190.61 × 6,374.31
  4. Step 4: Simplify right side
    9,556.38x = 84,081,037.23
  5. Step 5: Solve for x
    x = 84,081,037.23/9,556.38
  6. Step 6: Final answer
    x = 8,798.42

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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.