Home / 8,231.32-12,347.76-3,036.52

Finding the Fourth Proportional to 8,231.32, 12,347.76 and 3,036.52

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Solution

The fourth proportional to 8,231.32, 12,347.76 and 3,036.52 is: 4,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.32 : 12,347.76 = 3,036.52 : x
  2. Step 2: Convert to fraction form
    8,231.32/12,347.76 = 3,036.52/x
  3. Step 3: Cross multiply
    8,231.32x = 12,347.76 × 3,036.52
  4. Step 4: Simplify right side
    8,231.32x = 37,494,220.20
  5. Step 5: Solve for x
    x = 37,494,220.20/8,231.32
  6. Step 6: Final answer
    x = 4,555.07

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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.