Home / 9,706.56-13,395.60-5,515.68

Finding the Fourth Proportional to 9,706.56, 13,395.60 and 5,515.68

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Solution

The fourth proportional to 9,706.56, 13,395.60 and 5,515.68 is: 7,611.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,706.56 : 13,395.60 = 5,515.68 : x
  2. Step 2: Convert to fraction form
    9,706.56/13,395.60 = 5,515.68/x
  3. Step 3: Cross multiply
    9,706.56x = 13,395.60 × 5,515.68
  4. Step 4: Simplify right side
    9,706.56x = 73,885,843.01
  5. Step 5: Solve for x
    x = 73,885,843.01/9,706.56
  6. Step 6: Final answer
    x = 7,611.95

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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.