Home / 8,231.58-11,358.78-4,693.86

Finding the Fourth Proportional to 8,231.58, 11,358.78 and 4,693.86

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Solution

The fourth proportional to 8,231.58, 11,358.78 and 4,693.86 is: 6,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.58 : 11,358.78 = 4,693.86 : x
  2. Step 2: Convert to fraction form
    8,231.58/11,358.78 = 4,693.86/x
  3. Step 3: Cross multiply
    8,231.58x = 11,358.78 × 4,693.86
  4. Step 4: Simplify right side
    8,231.58x = 53,316,523.09
  5. Step 5: Solve for x
    x = 53,316,523.09/8,231.58
  6. Step 6: Final answer
    x = 6,477.07

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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.