Home / 8,836.64-13,255.20-3,642.92

Finding the Fourth Proportional to 8,836.64, 13,255.20 and 3,642.92

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Solution

The fourth proportional to 8,836.64, 13,255.20 and 3,642.92 is: 5,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.64 : 13,255.20 = 3,642.92 : x
  2. Step 2: Convert to fraction form
    8,836.64/13,255.20 = 3,642.92/x
  3. Step 3: Cross multiply
    8,836.64x = 13,255.20 × 3,642.92
  4. Step 4: Simplify right side
    8,836.64x = 48,287,633.18
  5. Step 5: Solve for x
    x = 48,287,633.18/8,836.64
  6. Step 6: Final answer
    x = 5,464.48

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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.