Home / 9,385.44-12,951.92-5,193.60

Finding the Fourth Proportional to 9,385.44, 12,951.92 and 5,193.60

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Solution

The fourth proportional to 9,385.44, 12,951.92 and 5,193.60 is: 7,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.44 : 12,951.92 = 5,193.60 : x
  2. Step 2: Convert to fraction form
    9,385.44/12,951.92 = 5,193.60/x
  3. Step 3: Cross multiply
    9,385.44x = 12,951.92 × 5,193.60
  4. Step 4: Simplify right side
    9,385.44x = 67,267,091.71
  5. Step 5: Solve for x
    x = 67,267,091.71/9,385.44
  6. Step 6: Final answer
    x = 7,167.18

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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.