Home / 11,328.28-15,630.97-6,546.47

Finding the Fourth Proportional to 11,328.28, 15,630.97 and 6,546.47

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Solution

The fourth proportional to 11,328.28, 15,630.97 and 6,546.47 is: 9,032.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.28 : 15,630.97 = 6,546.47 : x
  2. Step 2: Convert to fraction form
    11,328.28/15,630.97 = 6,546.47/x
  3. Step 3: Cross multiply
    11,328.28x = 15,630.97 × 6,546.47
  4. Step 4: Simplify right side
    11,328.28x = 102,327,757.00
  5. Step 5: Solve for x
    x = 102,327,757.00/11,328.28
  6. Step 6: Final answer
    x = 9,032.94

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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.