Home / 11,460.15-17,190.24-3,140.24

Finding the Fourth Proportional to 11,460.15, 17,190.24 and 3,140.24

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Solution

The fourth proportional to 11,460.15, 17,190.24 and 3,140.24 is: 4,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.15 : 17,190.24 = 3,140.24 : x
  2. Step 2: Convert to fraction form
    11,460.15/17,190.24 = 3,140.24/x
  3. Step 3: Cross multiply
    11,460.15x = 17,190.24 × 3,140.24
  4. Step 4: Simplify right side
    11,460.15x = 53,981,393.31
  5. Step 5: Solve for x
    x = 53,981,393.31/11,460.15
  6. Step 6: Final answer
    x = 4,710.36

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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.