Home / 9,672.09-13,351.68-5,896.49

Finding the Fourth Proportional to 9,672.09, 13,351.68 and 5,896.49

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Solution

The fourth proportional to 9,672.09, 13,351.68 and 5,896.49 is: 8,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.09 : 13,351.68 = 5,896.49 : x
  2. Step 2: Convert to fraction form
    9,672.09/13,351.68 = 5,896.49/x
  3. Step 3: Cross multiply
    9,672.09x = 13,351.68 × 5,896.49
  4. Step 4: Simplify right side
    9,672.09x = 78,727,980.84
  5. Step 5: Solve for x
    x = 78,727,980.84/9,672.09
  6. Step 6: Final answer
    x = 8,139.71

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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.