Home / 10,917.42-15,066.27-6,137.46

Finding the Fourth Proportional to 10,917.42, 15,066.27 and 6,137.46

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Solution

The fourth proportional to 10,917.42, 15,066.27 and 6,137.46 is: 8,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.42 : 15,066.27 = 6,137.46 : x
  2. Step 2: Convert to fraction form
    10,917.42/15,066.27 = 6,137.46/x
  3. Step 3: Cross multiply
    10,917.42x = 15,066.27 × 6,137.46
  4. Step 4: Simplify right side
    10,917.42x = 92,468,629.47
  5. Step 5: Solve for x
    x = 92,468,629.47/10,917.42
  6. Step 6: Final answer
    x = 8,469.82

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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.