Home / 11,929.15-16,462.13-6,623.98

Finding the Fourth Proportional to 11,929.15, 16,462.13 and 6,623.98

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Solution

The fourth proportional to 11,929.15, 16,462.13 and 6,623.98 is: 9,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.15 : 16,462.13 = 6,623.98 : x
  2. Step 2: Convert to fraction form
    11,929.15/16,462.13 = 6,623.98/x
  3. Step 3: Cross multiply
    11,929.15x = 16,462.13 × 6,623.98
  4. Step 4: Simplify right side
    11,929.15x = 109,044,819.88
  5. Step 5: Solve for x
    x = 109,044,819.88/11,929.15
  6. Step 6: Final answer
    x = 9,141.04

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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.