Home / 9,155.49-13,732.28-6,212.82

Finding the Fourth Proportional to 9,155.49, 13,732.28 and 6,212.82

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Solution

The fourth proportional to 9,155.49, 13,732.28 and 6,212.82 is: 9,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.49 : 13,732.28 = 6,212.82 : x
  2. Step 2: Convert to fraction form
    9,155.49/13,732.28 = 6,212.82/x
  3. Step 3: Cross multiply
    9,155.49x = 13,732.28 × 6,212.82
  4. Step 4: Simplify right side
    9,155.49x = 85,316,183.83
  5. Step 5: Solve for x
    x = 85,316,183.83/9,155.49
  6. Step 6: Final answer
    x = 9,318.58

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1.5x scale

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.