Home / 11,146.74-16,720.40-3,248.94

Finding the Fourth Proportional to 11,146.74, 16,720.40 and 3,248.94

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Solution

The fourth proportional to 11,146.74, 16,720.40 and 3,248.94 is: 4,873.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.74 : 16,720.40 = 3,248.94 : x
  2. Step 2: Convert to fraction form
    11,146.74/16,720.40 = 3,248.94/x
  3. Step 3: Cross multiply
    11,146.74x = 16,720.40 × 3,248.94
  4. Step 4: Simplify right side
    11,146.74x = 54,323,576.38
  5. Step 5: Solve for x
    x = 54,323,576.38/11,146.74
  6. Step 6: Final answer
    x = 4,873.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.