Home / 11,910.42-16,435.85-6,875.54

Finding the Fourth Proportional to 11,910.42, 16,435.85 and 6,875.54

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Solution

The fourth proportional to 11,910.42, 16,435.85 and 6,875.54 is: 9,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.42 : 16,435.85 = 6,875.54 : x
  2. Step 2: Convert to fraction form
    11,910.42/16,435.85 = 6,875.54/x
  3. Step 3: Cross multiply
    11,910.42x = 16,435.85 × 6,875.54
  4. Step 4: Simplify right side
    11,910.42x = 113,005,227.55
  5. Step 5: Solve for x
    x = 113,005,227.55/11,910.42
  6. Step 6: Final answer
    x = 9,487.93

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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.