Home / 6,602.87-9,111.92-3,618.83

Finding the Fourth Proportional to 6,602.87, 9,111.92 and 3,618.83

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Solution

The fourth proportional to 6,602.87, 9,111.92 and 3,618.83 is: 4,993.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.87 : 9,111.92 = 3,618.83 : x
  2. Step 2: Convert to fraction form
    6,602.87/9,111.92 = 3,618.83/x
  3. Step 3: Cross multiply
    6,602.87x = 9,111.92 × 3,618.83
  4. Step 4: Simplify right side
    6,602.87x = 32,974,453.06
  5. Step 5: Solve for x
    x = 32,974,453.06/6,602.87
  6. Step 6: Final answer
    x = 4,993.96

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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.