Home / 11,845.93-16,347.31-6,540.70

Finding the Fourth Proportional to 11,845.93, 16,347.31 and 6,540.70

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Solution

The fourth proportional to 11,845.93, 16,347.31 and 6,540.70 is: 9,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.93 : 16,347.31 = 6,540.70 : x
  2. Step 2: Convert to fraction form
    11,845.93/16,347.31 = 6,540.70/x
  3. Step 3: Cross multiply
    11,845.93x = 16,347.31 × 6,540.70
  4. Step 4: Simplify right side
    11,845.93x = 106,922,850.52
  5. Step 5: Solve for x
    x = 106,922,850.52/11,845.93
  6. Step 6: Final answer
    x = 9,026.13

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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.