Home / 8,072.66-11,140.26-4,487.60

Finding the Fourth Proportional to 8,072.66, 11,140.26 and 4,487.60

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Solution

The fourth proportional to 8,072.66, 11,140.26 and 4,487.60 is: 6,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.66 : 11,140.26 = 4,487.60 : x
  2. Step 2: Convert to fraction form
    8,072.66/11,140.26 = 4,487.60/x
  3. Step 3: Cross multiply
    8,072.66x = 11,140.26 × 4,487.60
  4. Step 4: Simplify right side
    8,072.66x = 49,993,030.78
  5. Step 5: Solve for x
    x = 49,993,030.78/8,072.66
  6. Step 6: Final answer
    x = 6,192.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.