Home / 11,425.50-15,767.94-6,949.44

Finding the Fourth Proportional to 11,425.50, 15,767.94 and 6,949.44

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Solution

The fourth proportional to 11,425.50, 15,767.94 and 6,949.44 is: 9,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.50 : 15,767.94 = 6,949.44 : x
  2. Step 2: Convert to fraction form
    11,425.50/15,767.94 = 6,949.44/x
  3. Step 3: Cross multiply
    11,425.50x = 15,767.94 × 6,949.44
  4. Step 4: Simplify right side
    11,425.50x = 109,578,352.95
  5. Step 5: Solve for x
    x = 109,578,352.95/11,425.50
  6. Step 6: Final answer
    x = 9,590.68

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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.