Home / 11,343.48-15,654.43-6,308.28

Finding the Fourth Proportional to 11,343.48, 15,654.43 and 6,308.28

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Solution

The fourth proportional to 11,343.48, 15,654.43 and 6,308.28 is: 8,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.48 : 15,654.43 = 6,308.28 : x
  2. Step 2: Convert to fraction form
    11,343.48/15,654.43 = 6,308.28/x
  3. Step 3: Cross multiply
    11,343.48x = 15,654.43 × 6,308.28
  4. Step 4: Simplify right side
    11,343.48x = 98,752,527.68
  5. Step 5: Solve for x
    x = 98,752,527.68/11,343.48
  6. Step 6: Final answer
    x = 8,705.66

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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.