Home / 11,036.72-15,231.54-6,321.11

Finding the Fourth Proportional to 11,036.72, 15,231.54 and 6,321.11

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Solution

The fourth proportional to 11,036.72, 15,231.54 and 6,321.11 is: 8,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.72 : 15,231.54 = 6,321.11 : x
  2. Step 2: Convert to fraction form
    11,036.72/15,231.54 = 6,321.11/x
  3. Step 3: Cross multiply
    11,036.72x = 15,231.54 × 6,321.11
  4. Step 4: Simplify right side
    11,036.72x = 96,280,187.36
  5. Step 5: Solve for x
    x = 96,280,187.36/11,036.72
  6. Step 6: Final answer
    x = 8,723.62

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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.