Home / 11,649.42-16,076.48-6,612.71

Finding the Fourth Proportional to 11,649.42, 16,076.48 and 6,612.71

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Solution

The fourth proportional to 11,649.42, 16,076.48 and 6,612.71 is: 9,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,649.42 : 16,076.48 = 6,612.71 : x
  2. Step 2: Convert to fraction form
    11,649.42/16,076.48 = 6,612.71/x
  3. Step 3: Cross multiply
    11,649.42x = 16,076.48 × 6,612.71
  4. Step 4: Simplify right side
    11,649.42x = 106,308,986.61
  5. Step 5: Solve for x
    x = 106,308,986.61/11,649.42
  6. Step 6: Final answer
    x = 9,125.69

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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.