Home / 6,614.02-9,128.19-3,818.98

Finding the Fourth Proportional to 6,614.02, 9,128.19 and 3,818.98

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Solution

The fourth proportional to 6,614.02, 9,128.19 and 3,818.98 is: 5,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.02 : 9,128.19 = 3,818.98 : x
  2. Step 2: Convert to fraction form
    6,614.02/9,128.19 = 3,818.98/x
  3. Step 3: Cross multiply
    6,614.02x = 9,128.19 × 3,818.98
  4. Step 4: Simplify right side
    6,614.02x = 34,860,375.05
  5. Step 5: Solve for x
    x = 34,860,375.05/6,614.02
  6. Step 6: Final answer
    x = 5,270.68

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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.