Home / 11,440.53-17,166.68-8,666.28

Finding the Fourth Proportional to 11,440.53, 17,166.68 and 8,666.28

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Solution

The fourth proportional to 11,440.53, 17,166.68 and 8,666.28 is: 13,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.53 : 17,166.68 = 8,666.28 : x
  2. Step 2: Convert to fraction form
    11,440.53/17,166.68 = 8,666.28/x
  3. Step 3: Cross multiply
    11,440.53x = 17,166.68 × 8,666.28
  4. Step 4: Simplify right side
    11,440.53x = 148,771,212.22
  5. Step 5: Solve for x
    x = 148,771,212.22/11,440.53
  6. Step 6: Final answer
    x = 13,003.87

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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.