Home / 8,493.30-12,726.08-5,199.48

Finding the Fourth Proportional to 8,493.30, 12,726.08 and 5,199.48

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Solution

The fourth proportional to 8,493.30, 12,726.08 and 5,199.48 is: 7,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.30 : 12,726.08 = 5,199.48 : x
  2. Step 2: Convert to fraction form
    8,493.30/12,726.08 = 5,199.48/x
  3. Step 3: Cross multiply
    8,493.30x = 12,726.08 × 5,199.48
  4. Step 4: Simplify right side
    8,493.30x = 66,168,998.44
  5. Step 5: Solve for x
    x = 66,168,998.44/8,493.30
  6. Step 6: Final answer
    x = 7,790.73

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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.