Home / 9,516.37-13,128.21-6,160.27

Finding the Fourth Proportional to 9,516.37, 13,128.21 and 6,160.27

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Solution

The fourth proportional to 9,516.37, 13,128.21 and 6,160.27 is: 8,498.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516.37 : 13,128.21 = 6,160.27 : x
  2. Step 2: Convert to fraction form
    9,516.37/13,128.21 = 6,160.27/x
  3. Step 3: Cross multiply
    9,516.37x = 13,128.21 × 6,160.27
  4. Step 4: Simplify right side
    9,516.37x = 80,873,318.22
  5. Step 5: Solve for x
    x = 80,873,318.22/9,516.37
  6. Step 6: Final answer
    x = 8,498.34

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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.