Home / 11,710.27-16,160.56-6,404.97

Finding the Fourth Proportional to 11,710.27, 16,160.56 and 6,404.97

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Solution

The fourth proportional to 11,710.27, 16,160.56 and 6,404.97 is: 8,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.27 : 16,160.56 = 6,404.97 : x
  2. Step 2: Convert to fraction form
    11,710.27/16,160.56 = 6,404.97/x
  3. Step 3: Cross multiply
    11,710.27x = 16,160.56 × 6,404.97
  4. Step 4: Simplify right side
    11,710.27x = 103,507,982.60
  5. Step 5: Solve for x
    x = 103,507,982.60/11,710.27
  6. Step 6: Final answer
    x = 8,839.08

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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.