Home / 12,048.48-18,072.72-3,283.20

Finding the Fourth Proportional to 12,048.48, 18,072.72 and 3,283.20

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Solution

The fourth proportional to 12,048.48, 18,072.72 and 3,283.20 is: 4,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.48 : 18,072.72 = 3,283.20 : x
  2. Step 2: Convert to fraction form
    12,048.48/18,072.72 = 3,283.20/x
  3. Step 3: Cross multiply
    12,048.48x = 18,072.72 × 3,283.20
  4. Step 4: Simplify right side
    12,048.48x = 59,336,354.30
  5. Step 5: Solve for x
    x = 59,336,354.30/12,048.48
  6. Step 6: Final answer
    x = 4,924.80

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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.