Home / 9,181.74-12,670.77-5,203.61

Finding the Fourth Proportional to 9,181.74, 12,670.77 and 5,203.61

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Solution

The fourth proportional to 9,181.74, 12,670.77 and 5,203.61 is: 7,180.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.74 : 12,670.77 = 5,203.61 : x
  2. Step 2: Convert to fraction form
    9,181.74/12,670.77 = 5,203.61/x
  3. Step 3: Cross multiply
    9,181.74x = 12,670.77 × 5,203.61
  4. Step 4: Simplify right side
    9,181.74x = 65,933,745.48
  5. Step 5: Solve for x
    x = 65,933,745.48/9,181.74
  6. Step 6: Final answer
    x = 7,180.96

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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.