Home / 10,072.51-15,104.88-3,829.24

Finding the Fourth Proportional to 10,072.51, 15,104.88 and 3,829.24

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Solution

The fourth proportional to 10,072.51, 15,104.88 and 3,829.24 is: 5,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.51 : 15,104.88 = 3,829.24 : x
  2. Step 2: Convert to fraction form
    10,072.51/15,104.88 = 3,829.24/x
  3. Step 3: Cross multiply
    10,072.51x = 15,104.88 × 3,829.24
  4. Step 4: Simplify right side
    10,072.51x = 57,840,210.69
  5. Step 5: Solve for x
    x = 57,840,210.69/10,072.51
  6. Step 6: Final answer
    x = 5,742.38

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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.