Home / 8,269.30-11,411.40-4,732.39

Finding the Fourth Proportional to 8,269.30, 11,411.40 and 4,732.39

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Solution

The fourth proportional to 8,269.30, 11,411.40 and 4,732.39 is: 6,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.30 : 11,411.40 = 4,732.39 : x
  2. Step 2: Convert to fraction form
    8,269.30/11,411.40 = 4,732.39/x
  3. Step 3: Cross multiply
    8,269.30x = 11,411.40 × 4,732.39
  4. Step 4: Simplify right side
    8,269.30x = 54,003,195.25
  5. Step 5: Solve for x
    x = 54,003,195.25/8,269.30
  6. Step 6: Final answer
    x = 6,530.56

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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.