Home / 9,104.22-12,563.78-5,125.28

Finding the Fourth Proportional to 9,104.22, 12,563.78 and 5,125.28

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Solution

The fourth proportional to 9,104.22, 12,563.78 and 5,125.28 is: 7,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.22 : 12,563.78 = 5,125.28 : x
  2. Step 2: Convert to fraction form
    9,104.22/12,563.78 = 5,125.28/x
  3. Step 3: Cross multiply
    9,104.22x = 12,563.78 × 5,125.28
  4. Step 4: Simplify right side
    9,104.22x = 64,392,801.91
  5. Step 5: Solve for x
    x = 64,392,801.91/9,104.22
  6. Step 6: Final answer
    x = 7,072.85

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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.