Home / 7,974.76-11,949.18-4,690.84

Finding the Fourth Proportional to 7,974.76, 11,949.18 and 4,690.84

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Solution

The fourth proportional to 7,974.76, 11,949.18 and 4,690.84 is: 7,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.76 : 11,949.18 = 4,690.84 : x
  2. Step 2: Convert to fraction form
    7,974.76/11,949.18 = 4,690.84/x
  3. Step 3: Cross multiply
    7,974.76x = 11,949.18 × 4,690.84
  4. Step 4: Simplify right side
    7,974.76x = 56,051,691.51
  5. Step 5: Solve for x
    x = 56,051,691.51/7,974.76
  6. Step 6: Final answer
    x = 7,028.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.