Home / 12,292.12-16,949.82-8,754.04

Finding the Fourth Proportional to 12,292.12, 16,949.82 and 8,754.04

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Solution

The fourth proportional to 12,292.12, 16,949.82 and 8,754.04 is: 12,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.12 : 16,949.82 = 8,754.04 : x
  2. Step 2: Convert to fraction form
    12,292.12/16,949.82 = 8,754.04/x
  3. Step 3: Cross multiply
    12,292.12x = 16,949.82 × 8,754.04
  4. Step 4: Simplify right side
    12,292.12x = 148,379,402.27
  5. Step 5: Solve for x
    x = 148,379,402.27/12,292.12
  6. Step 6: Final answer
    x = 12,071.10

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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.