Home / 9,185.16-13,777.92-2,611.20

Finding the Fourth Proportional to 9,185.16, 13,777.92 and 2,611.20

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Solution

The fourth proportional to 9,185.16, 13,777.92 and 2,611.20 is: 3,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.16 : 13,777.92 = 2,611.20 : x
  2. Step 2: Convert to fraction form
    9,185.16/13,777.92 = 2,611.20/x
  3. Step 3: Cross multiply
    9,185.16x = 13,777.92 × 2,611.20
  4. Step 4: Simplify right side
    9,185.16x = 35,976,904.70
  5. Step 5: Solve for x
    x = 35,976,904.70/9,185.16
  6. Step 6: Final answer
    x = 3,916.85

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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.