Home / 11,763.18-16,233.03-6,728.22

Finding the Fourth Proportional to 11,763.18, 16,233.03 and 6,728.22

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Solution

The fourth proportional to 11,763.18, 16,233.03 and 6,728.22 is: 9,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.18 : 16,233.03 = 6,728.22 : x
  2. Step 2: Convert to fraction form
    11,763.18/16,233.03 = 6,728.22/x
  3. Step 3: Cross multiply
    11,763.18x = 16,233.03 × 6,728.22
  4. Step 4: Simplify right side
    11,763.18x = 109,219,397.11
  5. Step 5: Solve for x
    x = 109,219,397.11/11,763.18
  6. Step 6: Final answer
    x = 9,284.85

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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.