Home / 11,255.76-16,882.32-4,680.24

Finding the Fourth Proportional to 11,255.76, 16,882.32 and 4,680.24

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Solution

The fourth proportional to 11,255.76, 16,882.32 and 4,680.24 is: 7,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.76 : 16,882.32 = 4,680.24 : x
  2. Step 2: Convert to fraction form
    11,255.76/16,882.32 = 4,680.24/x
  3. Step 3: Cross multiply
    11,255.76x = 16,882.32 × 4,680.24
  4. Step 4: Simplify right side
    11,255.76x = 79,013,309.36
  5. Step 5: Solve for x
    x = 79,013,309.36/11,255.76
  6. Step 6: Final answer
    x = 7,019.81

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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.