Home / 9,185.12-13,777.34-2,611.28

Finding the Fourth Proportional to 9,185.12, 13,777.34 and 2,611.28

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Solution

The fourth proportional to 9,185.12, 13,777.34 and 2,611.28 is: 3,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.12 : 13,777.34 = 2,611.28 : x
  2. Step 2: Convert to fraction form
    9,185.12/13,777.34 = 2,611.28/x
  3. Step 3: Cross multiply
    9,185.12x = 13,777.34 × 2,611.28
  4. Step 4: Simplify right side
    9,185.12x = 35,976,410.45
  5. Step 5: Solve for x
    x = 35,976,410.45/9,185.12
  6. Step 6: Final answer
    x = 3,916.82

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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.