Home / 6,787.92-9,365.76-4,269.36

Finding the Fourth Proportional to 6,787.92, 9,365.76 and 4,269.36

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Solution

The fourth proportional to 6,787.92, 9,365.76 and 4,269.36 is: 5,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.92 : 9,365.76 = 4,269.36 : x
  2. Step 2: Convert to fraction form
    6,787.92/9,365.76 = 4,269.36/x
  3. Step 3: Cross multiply
    6,787.92x = 9,365.76 × 4,269.36
  4. Step 4: Simplify right side
    6,787.92x = 39,985,801.11
  5. Step 5: Solve for x
    x = 39,985,801.11/6,787.92
  6. Step 6: Final answer
    x = 5,890.73

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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.