Home / 11,343.31-15,654.48-6,308.66

Finding the Fourth Proportional to 11,343.31, 15,654.48 and 6,308.66

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Solution

The fourth proportional to 11,343.31, 15,654.48 and 6,308.66 is: 8,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.31 : 15,654.48 = 6,308.66 : x
  2. Step 2: Convert to fraction form
    11,343.31/15,654.48 = 6,308.66/x
  3. Step 3: Cross multiply
    11,343.31x = 15,654.48 × 6,308.66
  4. Step 4: Simplify right side
    11,343.31x = 98,758,791.80
  5. Step 5: Solve for x
    x = 98,758,791.80/11,343.31
  6. Step 6: Final answer
    x = 8,706.35

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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.