Home / 8,432.18-12,644.08-2,883.95

Finding the Fourth Proportional to 8,432.18, 12,644.08 and 2,883.95

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Solution

The fourth proportional to 8,432.18, 12,644.08 and 2,883.95 is: 4,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.18 : 12,644.08 = 2,883.95 : x
  2. Step 2: Convert to fraction form
    8,432.18/12,644.08 = 2,883.95/x
  3. Step 3: Cross multiply
    8,432.18x = 12,644.08 × 2,883.95
  4. Step 4: Simplify right side
    8,432.18x = 36,464,824.09
  5. Step 5: Solve for x
    x = 36,464,824.09/8,432.18
  6. Step 6: Final answer
    x = 4,324.49

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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.