Home / 11,948.42-16,489.14-7,229.96

Finding the Fourth Proportional to 11,948.42, 16,489.14 and 7,229.96

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Solution

The fourth proportional to 11,948.42, 16,489.14 and 7,229.96 is: 9,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.42 : 16,489.14 = 7,229.96 : x
  2. Step 2: Convert to fraction form
    11,948.42/16,489.14 = 7,229.96/x
  3. Step 3: Cross multiply
    11,948.42x = 16,489.14 × 7,229.96
  4. Step 4: Simplify right side
    11,948.42x = 119,215,822.63
  5. Step 5: Solve for x
    x = 119,215,822.63/11,948.42
  6. Step 6: Final answer
    x = 9,977.54

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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.