Home / 11,833.47-16,331.22-8,253.60

Finding the Fourth Proportional to 11,833.47, 16,331.22 and 8,253.60

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Solution

The fourth proportional to 11,833.47, 16,331.22 and 8,253.60 is: 11,390.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.47 : 16,331.22 = 8,253.60 : x
  2. Step 2: Convert to fraction form
    11,833.47/16,331.22 = 8,253.60/x
  3. Step 3: Cross multiply
    11,833.47x = 16,331.22 × 8,253.60
  4. Step 4: Simplify right side
    11,833.47x = 134,791,357.39
  5. Step 5: Solve for x
    x = 134,791,357.39/11,833.47
  6. Step 6: Final answer
    x = 11,390.69

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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.