Home / 11,561.33-17,318.51-9,225.29

Finding the Fourth Proportional to 11,561.33, 17,318.51 and 9,225.29

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Solution

The fourth proportional to 11,561.33, 17,318.51 and 9,225.29 is: 13,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.33 : 17,318.51 = 9,225.29 : x
  2. Step 2: Convert to fraction form
    11,561.33/17,318.51 = 9,225.29/x
  3. Step 3: Cross multiply
    11,561.33x = 17,318.51 × 9,225.29
  4. Step 4: Simplify right side
    11,561.33x = 159,768,308.88
  5. Step 5: Solve for x
    x = 159,768,308.88/11,561.33
  6. Step 6: Final answer
    x = 13,819.20

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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.