Home / 11,457.52-17,183.14-3,135.58

Finding the Fourth Proportional to 11,457.52, 17,183.14 and 3,135.58

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Solution

The fourth proportional to 11,457.52, 17,183.14 and 3,135.58 is: 4,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.52 : 17,183.14 = 3,135.58 : x
  2. Step 2: Convert to fraction form
    11,457.52/17,183.14 = 3,135.58/x
  3. Step 3: Cross multiply
    11,457.52x = 17,183.14 × 3,135.58
  4. Step 4: Simplify right side
    11,457.52x = 53,879,059.32
  5. Step 5: Solve for x
    x = 53,879,059.32/11,457.52
  6. Step 6: Final answer
    x = 4,702.51

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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.