Home / 11,459.68-17,176.20-9,383.20

Finding the Fourth Proportional to 11,459.68, 17,176.20 and 9,383.20

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Solution

The fourth proportional to 11,459.68, 17,176.20 and 9,383.20 is: 14,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.68 : 17,176.20 = 9,383.20 : x
  2. Step 2: Convert to fraction form
    11,459.68/17,176.20 = 9,383.20/x
  3. Step 3: Cross multiply
    11,459.68x = 17,176.20 × 9,383.20
  4. Step 4: Simplify right side
    11,459.68x = 161,167,719.84
  5. Step 5: Solve for x
    x = 161,167,719.84/11,459.68
  6. Step 6: Final answer
    x = 14,063.89

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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.