Home / 11,898.16-16,414.26-8,363.68

Finding the Fourth Proportional to 11,898.16, 16,414.26 and 8,363.68

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Solution

The fourth proportional to 11,898.16, 16,414.26 and 8,363.68 is: 11,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.16 : 16,414.26 = 8,363.68 : x
  2. Step 2: Convert to fraction form
    11,898.16/16,414.26 = 8,363.68/x
  3. Step 3: Cross multiply
    11,898.16x = 16,414.26 × 8,363.68
  4. Step 4: Simplify right side
    11,898.16x = 137,283,618.08
  5. Step 5: Solve for x
    x = 137,283,618.08/11,898.16
  6. Step 6: Final answer
    x = 11,538.22

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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.