Home / 10,126.06-15,193.47-5,440.60

Finding the Fourth Proportional to 10,126.06, 15,193.47 and 5,440.60

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Solution

The fourth proportional to 10,126.06, 15,193.47 and 5,440.60 is: 8,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.06 : 15,193.47 = 5,440.60 : x
  2. Step 2: Convert to fraction form
    10,126.06/15,193.47 = 5,440.60/x
  3. Step 3: Cross multiply
    10,126.06x = 15,193.47 × 5,440.60
  4. Step 4: Simplify right side
    10,126.06x = 82,661,592.88
  5. Step 5: Solve for x
    x = 82,661,592.88/10,126.06
  6. Step 6: Final answer
    x = 8,163.25

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1.5x scale

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.