Home / 11,229.10-16,844.24-4,987.64

Finding the Fourth Proportional to 11,229.10, 16,844.24 and 4,987.64

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Solution

The fourth proportional to 11,229.10, 16,844.24 and 4,987.64 is: 7,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.10 : 16,844.24 = 4,987.64 : x
  2. Step 2: Convert to fraction form
    11,229.10/16,844.24 = 4,987.64/x
  3. Step 3: Cross multiply
    11,229.10x = 16,844.24 × 4,987.64
  4. Step 4: Simplify right side
    11,229.10x = 84,013,005.19
  5. Step 5: Solve for x
    x = 84,013,005.19/11,229.10
  6. Step 6: Final answer
    x = 7,481.72

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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.