Home / 12,251.12-16,910.40-6,949.46

Finding the Fourth Proportional to 12,251.12, 16,910.40 and 6,949.46

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Solution

The fourth proportional to 12,251.12, 16,910.40 and 6,949.46 is: 9,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.12 : 16,910.40 = 6,949.46 : x
  2. Step 2: Convert to fraction form
    12,251.12/16,910.40 = 6,949.46/x
  3. Step 3: Cross multiply
    12,251.12x = 16,910.40 × 6,949.46
  4. Step 4: Simplify right side
    12,251.12x = 117,518,148.38
  5. Step 5: Solve for x
    x = 117,518,148.38/12,251.12
  6. Step 6: Final answer
    x = 9,592.44

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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.