Home / 11,721.55-16,183.31-10,460.44

Finding the Fourth Proportional to 11,721.55, 16,183.31 and 10,460.44

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Solution

The fourth proportional to 11,721.55, 16,183.31 and 10,460.44 is: 14,442.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.55 : 16,183.31 = 10,460.44 : x
  2. Step 2: Convert to fraction form
    11,721.55/16,183.31 = 10,460.44/x
  3. Step 3: Cross multiply
    11,721.55x = 16,183.31 × 10,460.44
  4. Step 4: Simplify right side
    11,721.55x = 169,284,543.26
  5. Step 5: Solve for x
    x = 169,284,543.26/11,721.55
  6. Step 6: Final answer
    x = 14,442.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.