Home / 12,382.17-17,087.25-6,716.81

Finding the Fourth Proportional to 12,382.17, 17,087.25 and 6,716.81

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Solution

The fourth proportional to 12,382.17, 17,087.25 and 6,716.81 is: 9,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382.17 : 17,087.25 = 6,716.81 : x
  2. Step 2: Convert to fraction form
    12,382.17/17,087.25 = 6,716.81/x
  3. Step 3: Cross multiply
    12,382.17x = 17,087.25 × 6,716.81
  4. Step 4: Simplify right side
    12,382.17x = 114,771,811.67
  5. Step 5: Solve for x
    x = 114,771,811.67/12,382.17
  6. Step 6: Final answer
    x = 9,269.12

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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.