Home / 10,092.25-15,140.81-3,166.75

Finding the Fourth Proportional to 10,092.25, 15,140.81 and 3,166.75

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Solution

The fourth proportional to 10,092.25, 15,140.81 and 3,166.75 is: 4,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.25 : 15,140.81 = 3,166.75 : x
  2. Step 2: Convert to fraction form
    10,092.25/15,140.81 = 3,166.75/x
  3. Step 3: Cross multiply
    10,092.25x = 15,140.81 × 3,166.75
  4. Step 4: Simplify right side
    10,092.25x = 47,947,160.07
  5. Step 5: Solve for x
    x = 47,947,160.07/10,092.25
  6. Step 6: Final answer
    x = 4,750.89

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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.