Home / 11,083.20-15,297.92-6,368

Finding the Fourth Proportional to 11,083.20, 15,297.92 and 6,368

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Solution

The fourth proportional to 11,083.20, 15,297.92 and 6,368 is: 8,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.20 : 15,297.92 = 6,368 : x
  2. Step 2: Convert to fraction form
    11,083.20/15,297.92 = 6,368/x
  3. Step 3: Cross multiply
    11,083.20x = 15,297.92 × 6,368
  4. Step 4: Simplify right side
    11,083.20x = 97,417,154.56
  5. Step 5: Solve for x
    x = 97,417,154.56/11,083.20
  6. Step 6: Final answer
    x = 8,789.62

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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.