Home / 11,741.08-16,202.56-6,435.90

Finding the Fourth Proportional to 11,741.08, 16,202.56 and 6,435.90

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Solution

The fourth proportional to 11,741.08, 16,202.56 and 6,435.90 is: 8,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.08 : 16,202.56 = 6,435.90 : x
  2. Step 2: Convert to fraction form
    11,741.08/16,202.56 = 6,435.90/x
  3. Step 3: Cross multiply
    11,741.08x = 16,202.56 × 6,435.90
  4. Step 4: Simplify right side
    11,741.08x = 104,278,055.90
  5. Step 5: Solve for x
    x = 104,278,055.90/11,741.08
  6. Step 6: Final answer
    x = 8,881.47

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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.