Home / 11,515.37-17,272.06-7,011.26

Finding the Fourth Proportional to 11,515.37, 17,272.06 and 7,011.26

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Solution

The fourth proportional to 11,515.37, 17,272.06 and 7,011.26 is: 10,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.37 : 17,272.06 = 7,011.26 : x
  2. Step 2: Convert to fraction form
    11,515.37/17,272.06 = 7,011.26/x
  3. Step 3: Cross multiply
    11,515.37x = 17,272.06 × 7,011.26
  4. Step 4: Simplify right side
    11,515.37x = 121,098,903.72
  5. Step 5: Solve for x
    x = 121,098,903.72/11,515.37
  6. Step 6: Final answer
    x = 10,516.28

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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.