Home / 10,893.12-16,336.20-6,726.90

Finding the Fourth Proportional to 10,893.12, 16,336.20 and 6,726.90

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Solution

The fourth proportional to 10,893.12, 16,336.20 and 6,726.90 is: 10,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.12 : 16,336.20 = 6,726.90 : x
  2. Step 2: Convert to fraction form
    10,893.12/16,336.20 = 6,726.90/x
  3. Step 3: Cross multiply
    10,893.12x = 16,336.20 × 6,726.90
  4. Step 4: Simplify right side
    10,893.12x = 109,891,983.78
  5. Step 5: Solve for x
    x = 109,891,983.78/10,893.12
  6. Step 6: Final answer
    x = 10,088.20

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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.