Home / 11,231.48-15,499.46-6,516.12

Finding the Fourth Proportional to 11,231.48, 15,499.46 and 6,516.12

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Solution

The fourth proportional to 11,231.48, 15,499.46 and 6,516.12 is: 8,992.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.48 : 15,499.46 = 6,516.12 : x
  2. Step 2: Convert to fraction form
    11,231.48/15,499.46 = 6,516.12/x
  3. Step 3: Cross multiply
    11,231.48x = 15,499.46 × 6,516.12
  4. Step 4: Simplify right side
    11,231.48x = 100,996,341.30
  5. Step 5: Solve for x
    x = 100,996,341.30/11,231.48
  6. Step 6: Final answer
    x = 8,992.26

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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.