Home / 10,997.36-16,483.66-5,454.68

Finding the Fourth Proportional to 10,997.36, 16,483.66 and 5,454.68

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Solution

The fourth proportional to 10,997.36, 16,483.66 and 5,454.68 is: 8,175.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.36 : 16,483.66 = 5,454.68 : x
  2. Step 2: Convert to fraction form
    10,997.36/16,483.66 = 5,454.68/x
  3. Step 3: Cross multiply
    10,997.36x = 16,483.66 × 5,454.68
  4. Step 4: Simplify right side
    10,997.36x = 89,913,118.10
  5. Step 5: Solve for x
    x = 89,913,118.10/10,997.36
  6. Step 6: Final answer
    x = 8,175.88

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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.