Home / 12,048.20-18,057.72-5,467.76

Finding the Fourth Proportional to 12,048.20, 18,057.72 and 5,467.76

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Solution

The fourth proportional to 12,048.20, 18,057.72 and 5,467.76 is: 8,195.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.20 : 18,057.72 = 5,467.76 : x
  2. Step 2: Convert to fraction form
    12,048.20/18,057.72 = 5,467.76/x
  3. Step 3: Cross multiply
    12,048.20x = 18,057.72 × 5,467.76
  4. Step 4: Simplify right side
    12,048.20x = 98,735,279.11
  5. Step 5: Solve for x
    x = 98,735,279.11/12,048.20
  6. Step 6: Final answer
    x = 8,195.02

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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.