Home / 11,842.46-17,666.61-11,520.69

Finding the Fourth Proportional to 11,842.46, 17,666.61 and 11,520.69

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Solution

The fourth proportional to 11,842.46, 17,666.61 and 11,520.69 is: 17,186.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,842.46 : 17,666.61 = 11,520.69 : x
  2. Step 2: Convert to fraction form
    11,842.46/17,666.61 = 11,520.69/x
  3. Step 3: Cross multiply
    11,842.46x = 17,666.61 × 11,520.69
  4. Step 4: Simplify right side
    11,842.46x = 203,531,537.16
  5. Step 5: Solve for x
    x = 203,531,537.16/11,842.46
  6. Step 6: Final answer
    x = 17,186.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.