Home / 11,740.95-16,201.42-6,435.86

Finding the Fourth Proportional to 11,740.95, 16,201.42 and 6,435.86

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Solution

The fourth proportional to 11,740.95, 16,201.42 and 6,435.86 is: 8,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.95 : 16,201.42 = 6,435.86 : x
  2. Step 2: Convert to fraction form
    11,740.95/16,201.42 = 6,435.86/x
  3. Step 3: Cross multiply
    11,740.95x = 16,201.42 × 6,435.86
  4. Step 4: Simplify right side
    11,740.95x = 104,269,973.82
  5. Step 5: Solve for x
    x = 104,269,973.82/11,740.95
  6. Step 6: Final answer
    x = 8,880.88

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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.