Home / 10,382.75-15,574.26-3,457.25

Finding the Fourth Proportional to 10,382.75, 15,574.26 and 3,457.25

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Solution

The fourth proportional to 10,382.75, 15,574.26 and 3,457.25 is: 5,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.75 : 15,574.26 = 3,457.25 : x
  2. Step 2: Convert to fraction form
    10,382.75/15,574.26 = 3,457.25/x
  3. Step 3: Cross multiply
    10,382.75x = 15,574.26 × 3,457.25
  4. Step 4: Simplify right side
    10,382.75x = 53,844,110.39
  5. Step 5: Solve for x
    x = 53,844,110.39/10,382.75
  6. Step 6: Final answer
    x = 5,185.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.