Home / 10,098.26-15,114.90-5,406.50

Finding the Fourth Proportional to 10,098.26, 15,114.90 and 5,406.50

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Solution

The fourth proportional to 10,098.26, 15,114.90 and 5,406.50 is: 8,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.26 : 15,114.90 = 5,406.50 : x
  2. Step 2: Convert to fraction form
    10,098.26/15,114.90 = 5,406.50/x
  3. Step 3: Cross multiply
    10,098.26x = 15,114.90 × 5,406.50
  4. Step 4: Simplify right side
    10,098.26x = 81,718,706.85
  5. Step 5: Solve for x
    x = 81,718,706.85/10,098.26
  6. Step 6: Final answer
    x = 8,092.36

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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.