Home / 11,013.60-16,496.10-9,069.60

Finding the Fourth Proportional to 11,013.60, 16,496.10 and 9,069.60

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Solution

The fourth proportional to 11,013.60, 16,496.10 and 9,069.60 is: 13,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.60 : 16,496.10 = 9,069.60 : x
  2. Step 2: Convert to fraction form
    11,013.60/16,496.10 = 9,069.60/x
  3. Step 3: Cross multiply
    11,013.60x = 16,496.10 × 9,069.60
  4. Step 4: Simplify right side
    11,013.60x = 149,613,028.56
  5. Step 5: Solve for x
    x = 149,613,028.56/11,013.60
  6. Step 6: Final answer
    x = 13,584.39

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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.