Home / 8,818.44-12,164.82-5,280.60

Finding the Fourth Proportional to 8,818.44, 12,164.82 and 5,280.60

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Solution

The fourth proportional to 8,818.44, 12,164.82 and 5,280.60 is: 7,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.44 : 12,164.82 = 5,280.60 : x
  2. Step 2: Convert to fraction form
    8,818.44/12,164.82 = 5,280.60/x
  3. Step 3: Cross multiply
    8,818.44x = 12,164.82 × 5,280.60
  4. Step 4: Simplify right side
    8,818.44x = 64,237,548.49
  5. Step 5: Solve for x
    x = 64,237,548.49/8,818.44
  6. Step 6: Final answer
    x = 7,284.46

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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.