Home / 8,541.30-11,787.84-5,183.85

Finding the Fourth Proportional to 8,541.30, 11,787.84 and 5,183.85

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Solution

The fourth proportional to 8,541.30, 11,787.84 and 5,183.85 is: 7,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.30 : 11,787.84 = 5,183.85 : x
  2. Step 2: Convert to fraction form
    8,541.30/11,787.84 = 5,183.85/x
  3. Step 3: Cross multiply
    8,541.30x = 11,787.84 × 5,183.85
  4. Step 4: Simplify right side
    8,541.30x = 61,106,394.38
  5. Step 5: Solve for x
    x = 61,106,394.38/8,541.30
  6. Step 6: Final answer
    x = 7,154.23

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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.