Home / 7,974.77-11,005.67-4,618.73

Finding the Fourth Proportional to 7,974.77, 11,005.67 and 4,618.73

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Solution

The fourth proportional to 7,974.77, 11,005.67 and 4,618.73 is: 6,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.77 : 11,005.67 = 4,618.73 : x
  2. Step 2: Convert to fraction form
    7,974.77/11,005.67 = 4,618.73/x
  3. Step 3: Cross multiply
    7,974.77x = 11,005.67 × 4,618.73
  4. Step 4: Simplify right side
    7,974.77x = 50,832,257.26
  5. Step 5: Solve for x
    x = 50,832,257.26/7,974.77
  6. Step 6: Final answer
    x = 6,374.14

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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.