Home / 12,382.14-17,084.83-7,344.15

Finding the Fourth Proportional to 12,382.14, 17,084.83 and 7,344.15

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Solution

The fourth proportional to 12,382.14, 17,084.83 and 7,344.15 is: 10,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382.14 : 17,084.83 = 7,344.15 : x
  2. Step 2: Convert to fraction form
    12,382.14/17,084.83 = 7,344.15/x
  3. Step 3: Cross multiply
    12,382.14x = 17,084.83 × 7,344.15
  4. Step 4: Simplify right side
    12,382.14x = 125,473,554.24
  5. Step 5: Solve for x
    x = 125,473,554.24/12,382.14
  6. Step 6: Final answer
    x = 10,133.43

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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.