Home / 11,567.31-15,949.56-8,546.79

Finding the Fourth Proportional to 11,567.31, 15,949.56 and 8,546.79

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Solution

The fourth proportional to 11,567.31, 15,949.56 and 8,546.79 is: 11,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.31 : 15,949.56 = 8,546.79 : x
  2. Step 2: Convert to fraction form
    11,567.31/15,949.56 = 8,546.79/x
  3. Step 3: Cross multiply
    11,567.31x = 15,949.56 × 8,546.79
  4. Step 4: Simplify right side
    11,567.31x = 136,317,539.91
  5. Step 5: Solve for x
    x = 136,317,539.91/11,567.31
  6. Step 6: Final answer
    x = 11,784.72

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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.