Home / 11,525.49-17,299.17-7,129.62

Finding the Fourth Proportional to 11,525.49, 17,299.17 and 7,129.62

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Solution

The fourth proportional to 11,525.49, 17,299.17 and 7,129.62 is: 10,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.49 : 17,299.17 = 7,129.62 : x
  2. Step 2: Convert to fraction form
    11,525.49/17,299.17 = 7,129.62/x
  3. Step 3: Cross multiply
    11,525.49x = 17,299.17 × 7,129.62
  4. Step 4: Simplify right side
    11,525.49x = 123,336,508.42
  5. Step 5: Solve for x
    x = 123,336,508.42/11,525.49
  6. Step 6: Final answer
    x = 10,701.19

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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.