Home / 11,988.96-17,983.60-4,593.79

Finding the Fourth Proportional to 11,988.96, 17,983.60 and 4,593.79

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Solution

The fourth proportional to 11,988.96, 17,983.60 and 4,593.79 is: 6,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.96 : 17,983.60 = 4,593.79 : x
  2. Step 2: Convert to fraction form
    11,988.96/17,983.60 = 4,593.79/x
  3. Step 3: Cross multiply
    11,988.96x = 17,983.60 × 4,593.79
  4. Step 4: Simplify right side
    11,988.96x = 82,612,881.84
  5. Step 5: Solve for x
    x = 82,612,881.84/11,988.96
  6. Step 6: Final answer
    x = 6,890.75

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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.