Home / 9,815.71-13,546.04-5,450.17

Finding the Fourth Proportional to 9,815.71, 13,546.04 and 5,450.17

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Solution

The fourth proportional to 9,815.71, 13,546.04 and 5,450.17 is: 7,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.71 : 13,546.04 = 5,450.17 : x
  2. Step 2: Convert to fraction form
    9,815.71/13,546.04 = 5,450.17/x
  3. Step 3: Cross multiply
    9,815.71x = 13,546.04 × 5,450.17
  4. Step 4: Simplify right side
    9,815.71x = 73,828,164.97
  5. Step 5: Solve for x
    x = 73,828,164.97/9,815.71
  6. Step 6: Final answer
    x = 7,521.43

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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.