Home / 11,226.91-15,494.18-6,447.52

Finding the Fourth Proportional to 11,226.91, 15,494.18 and 6,447.52

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Solution

The fourth proportional to 11,226.91, 15,494.18 and 6,447.52 is: 8,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.91 : 15,494.18 = 6,447.52 : x
  2. Step 2: Convert to fraction form
    11,226.91/15,494.18 = 6,447.52/x
  3. Step 3: Cross multiply
    11,226.91x = 15,494.18 × 6,447.52
  4. Step 4: Simplify right side
    11,226.91x = 99,899,035.43
  5. Step 5: Solve for x
    x = 99,899,035.43/11,226.91
  6. Step 6: Final answer
    x = 8,898.18

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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.