Home / 10,220.54-14,104.20-5,745.04

Finding the Fourth Proportional to 10,220.54, 14,104.20 and 5,745.04

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Solution

The fourth proportional to 10,220.54, 14,104.20 and 5,745.04 is: 7,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.54 : 14,104.20 = 5,745.04 : x
  2. Step 2: Convert to fraction form
    10,220.54/14,104.20 = 5,745.04/x
  3. Step 3: Cross multiply
    10,220.54x = 14,104.20 × 5,745.04
  4. Step 4: Simplify right side
    10,220.54x = 81,029,179.45
  5. Step 5: Solve for x
    x = 81,029,179.45/10,220.54
  6. Step 6: Final answer
    x = 7,928.08

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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.