Home / 9,148.96-12,625.85-5,170.33

Finding the Fourth Proportional to 9,148.96, 12,625.85 and 5,170.33

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Solution

The fourth proportional to 9,148.96, 12,625.85 and 5,170.33 is: 7,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.96 : 12,625.85 = 5,170.33 : x
  2. Step 2: Convert to fraction form
    9,148.96/12,625.85 = 5,170.33/x
  3. Step 3: Cross multiply
    9,148.96x = 12,625.85 × 5,170.33
  4. Step 4: Simplify right side
    9,148.96x = 65,279,825.20
  5. Step 5: Solve for x
    x = 65,279,825.20/9,148.96
  6. Step 6: Final answer
    x = 7,135.22

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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.