Home / 10,176.17-15,263.03-2,781.27

Finding the Fourth Proportional to 10,176.17, 15,263.03 and 2,781.27

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Solution

The fourth proportional to 10,176.17, 15,263.03 and 2,781.27 is: 4,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.17 : 15,263.03 = 2,781.27 : x
  2. Step 2: Convert to fraction form
    10,176.17/15,263.03 = 2,781.27/x
  3. Step 3: Cross multiply
    10,176.17x = 15,263.03 × 2,781.27
  4. Step 4: Simplify right side
    10,176.17x = 42,450,593.54
  5. Step 5: Solve for x
    x = 42,450,593.54/10,176.17
  6. Step 6: Final answer
    x = 4,171.57

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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.