Home / 10,997.24-15,172.62-6,216.72

Finding the Fourth Proportional to 10,997.24, 15,172.62 and 6,216.72

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Solution

The fourth proportional to 10,997.24, 15,172.62 and 6,216.72 is: 8,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.24 : 15,172.62 = 6,216.72 : x
  2. Step 2: Convert to fraction form
    10,997.24/15,172.62 = 6,216.72/x
  3. Step 3: Cross multiply
    10,997.24x = 15,172.62 × 6,216.72
  4. Step 4: Simplify right side
    10,997.24x = 94,323,850.00
  5. Step 5: Solve for x
    x = 94,323,850.00/10,997.24
  6. Step 6: Final answer
    x = 8,577.05

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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.