Home / 11,409.60-17,085.24-10,107.12

Finding the Fourth Proportional to 11,409.60, 17,085.24 and 10,107.12

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Solution

The fourth proportional to 11,409.60, 17,085.24 and 10,107.12 is: 15,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.60 : 17,085.24 = 10,107.12 : x
  2. Step 2: Convert to fraction form
    11,409.60/17,085.24 = 10,107.12/x
  3. Step 3: Cross multiply
    11,409.60x = 17,085.24 × 10,107.12
  4. Step 4: Simplify right side
    11,409.60x = 172,682,570.91
  5. Step 5: Solve for x
    x = 172,682,570.91/11,409.60
  6. Step 6: Final answer
    x = 15,134.85

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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.