Home / 9,964.41-13,756.60-6,611.82

Finding the Fourth Proportional to 9,964.41, 13,756.60 and 6,611.82

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Solution

The fourth proportional to 9,964.41, 13,756.60 and 6,611.82 is: 9,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.41 : 13,756.60 = 6,611.82 : x
  2. Step 2: Convert to fraction form
    9,964.41/13,756.60 = 6,611.82/x
  3. Step 3: Cross multiply
    9,964.41x = 13,756.60 × 6,611.82
  4. Step 4: Simplify right side
    9,964.41x = 90,956,163.01
  5. Step 5: Solve for x
    x = 90,956,163.01/9,964.41
  6. Step 6: Final answer
    x = 9,128.10

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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.