Home / 12,204.29-16,842.62-6,899.57

Finding the Fourth Proportional to 12,204.29, 16,842.62 and 6,899.57

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Solution

The fourth proportional to 12,204.29, 16,842.62 and 6,899.57 is: 9,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.29 : 16,842.62 = 6,899.57 : x
  2. Step 2: Convert to fraction form
    12,204.29/16,842.62 = 6,899.57/x
  3. Step 3: Cross multiply
    12,204.29x = 16,842.62 × 6,899.57
  4. Step 4: Simplify right side
    12,204.29x = 116,206,835.67
  5. Step 5: Solve for x
    x = 116,206,835.67/12,204.29
  6. Step 6: Final answer
    x = 9,521.80

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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.