Home / 8,295.15-12,442.73-5,512.80

Finding the Fourth Proportional to 8,295.15, 12,442.73 and 5,512.80

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Solution

The fourth proportional to 8,295.15, 12,442.73 and 5,512.80 is: 8,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.15 : 12,442.73 = 5,512.80 : x
  2. Step 2: Convert to fraction form
    8,295.15/12,442.73 = 5,512.80/x
  3. Step 3: Cross multiply
    8,295.15x = 12,442.73 × 5,512.80
  4. Step 4: Simplify right side
    8,295.15x = 68,594,254.38
  5. Step 5: Solve for x
    x = 68,594,254.38/8,295.15
  6. Step 6: Final answer
    x = 8,269.20

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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.