Home / 9,936.48-13,718.80-6,163.68

Finding the Fourth Proportional to 9,936.48, 13,718.80 and 6,163.68

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Solution

The fourth proportional to 9,936.48, 13,718.80 and 6,163.68 is: 8,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.48 : 13,718.80 = 6,163.68 : x
  2. Step 2: Convert to fraction form
    9,936.48/13,718.80 = 6,163.68/x
  3. Step 3: Cross multiply
    9,936.48x = 13,718.80 × 6,163.68
  4. Step 4: Simplify right side
    9,936.48x = 84,558,293.18
  5. Step 5: Solve for x
    x = 84,558,293.18/9,936.48
  6. Step 6: Final answer
    x = 8,509.88

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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.