Home / 12,572.20-18,845.94-5,556.04

Finding the Fourth Proportional to 12,572.20, 18,845.94 and 5,556.04

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Solution

The fourth proportional to 12,572.20, 18,845.94 and 5,556.04 is: 8,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.20 : 18,845.94 = 5,556.04 : x
  2. Step 2: Convert to fraction form
    12,572.20/18,845.94 = 5,556.04/x
  3. Step 3: Cross multiply
    12,572.20x = 18,845.94 × 5,556.04
  4. Step 4: Simplify right side
    12,572.20x = 104,708,796.48
  5. Step 5: Solve for x
    x = 104,708,796.48/12,572.20
  6. Step 6: Final answer
    x = 8,328.60

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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.