Home / 9,861.07-13,608.31-6,324.30

Finding the Fourth Proportional to 9,861.07, 13,608.31 and 6,324.30

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Solution

The fourth proportional to 9,861.07, 13,608.31 and 6,324.30 is: 8,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.07 : 13,608.31 = 6,324.30 : x
  2. Step 2: Convert to fraction form
    9,861.07/13,608.31 = 6,324.30/x
  3. Step 3: Cross multiply
    9,861.07x = 13,608.31 × 6,324.30
  4. Step 4: Simplify right side
    9,861.07x = 86,063,034.93
  5. Step 5: Solve for x
    x = 86,063,034.93/9,861.07
  6. Step 6: Final answer
    x = 8,727.56

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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.