Home / 11,434.80-17,150.60-3,644.40

Finding the Fourth Proportional to 11,434.80, 17,150.60 and 3,644.40

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Solution

The fourth proportional to 11,434.80, 17,150.60 and 3,644.40 is: 5,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434.80 : 17,150.60 = 3,644.40 : x
  2. Step 2: Convert to fraction form
    11,434.80/17,150.60 = 3,644.40/x
  3. Step 3: Cross multiply
    11,434.80x = 17,150.60 × 3,644.40
  4. Step 4: Simplify right side
    11,434.80x = 62,503,646.64
  5. Step 5: Solve for x
    x = 62,503,646.64/11,434.80
  6. Step 6: Final answer
    x = 5,466.09

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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.