Home / 12,204.98-16,842.69-6,899.61

Finding the Fourth Proportional to 12,204.98, 16,842.69 and 6,899.61

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Solution

The fourth proportional to 12,204.98, 16,842.69 and 6,899.61 is: 9,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.98 : 16,842.69 = 6,899.61 : x
  2. Step 2: Convert to fraction form
    12,204.98/16,842.69 = 6,899.61/x
  3. Step 3: Cross multiply
    12,204.98x = 16,842.69 × 6,899.61
  4. Step 4: Simplify right side
    12,204.98x = 116,207,992.35
  5. Step 5: Solve for x
    x = 116,207,992.35/12,204.98
  6. Step 6: Final answer
    x = 9,521.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.