Home / 11,732.81-16,191.60-7,133.57

Finding the Fourth Proportional to 11,732.81, 16,191.60 and 7,133.57

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Solution

The fourth proportional to 11,732.81, 16,191.60 and 7,133.57 is: 9,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,732.81 : 16,191.60 = 7,133.57 : x
  2. Step 2: Convert to fraction form
    11,732.81/16,191.60 = 7,133.57/x
  3. Step 3: Cross multiply
    11,732.81x = 16,191.60 × 7,133.57
  4. Step 4: Simplify right side
    11,732.81x = 115,503,952.49
  5. Step 5: Solve for x
    x = 115,503,952.49/11,732.81
  6. Step 6: Final answer
    x = 9,844.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.