Home / 11,183.04-15,432.56-6,215.04

Finding the Fourth Proportional to 11,183.04, 15,432.56 and 6,215.04

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Solution

The fourth proportional to 11,183.04, 15,432.56 and 6,215.04 is: 8,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.04 : 15,432.56 = 6,215.04 : x
  2. Step 2: Convert to fraction form
    11,183.04/15,432.56 = 6,215.04/x
  3. Step 3: Cross multiply
    11,183.04x = 15,432.56 × 6,215.04
  4. Step 4: Simplify right side
    11,183.04x = 95,913,977.70
  5. Step 5: Solve for x
    x = 95,913,977.70/11,183.04
  6. Step 6: Final answer
    x = 8,576.74

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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.