Home / 11,676.81-16,113.48-6,641.45

Finding the Fourth Proportional to 11,676.81, 16,113.48 and 6,641.45

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Solution

The fourth proportional to 11,676.81, 16,113.48 and 6,641.45 is: 9,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.81 : 16,113.48 = 6,641.45 : x
  2. Step 2: Convert to fraction form
    11,676.81/16,113.48 = 6,641.45/x
  3. Step 3: Cross multiply
    11,676.81x = 16,113.48 × 6,641.45
  4. Step 4: Simplify right side
    11,676.81x = 107,016,791.18
  5. Step 5: Solve for x
    x = 107,016,791.18/11,676.81
  6. Step 6: Final answer
    x = 9,164.90

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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.