Home / 8,324.62-11,488.50-4,787.75

Finding the Fourth Proportional to 8,324.62, 11,488.50 and 4,787.75

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Solution

The fourth proportional to 8,324.62, 11,488.50 and 4,787.75 is: 6,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.62 : 11,488.50 = 4,787.75 : x
  2. Step 2: Convert to fraction form
    8,324.62/11,488.50 = 4,787.75/x
  3. Step 3: Cross multiply
    8,324.62x = 11,488.50 × 4,787.75
  4. Step 4: Simplify right side
    8,324.62x = 55,004,065.88
  5. Step 5: Solve for x
    x = 55,004,065.88/8,324.62
  6. Step 6: Final answer
    x = 6,607.40

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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.