Home / 9,789.10-13,505.67-6,254.38

Finding the Fourth Proportional to 9,789.10, 13,505.67 and 6,254.38

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Solution

The fourth proportional to 9,789.10, 13,505.67 and 6,254.38 is: 8,628.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.10 : 13,505.67 = 6,254.38 : x
  2. Step 2: Convert to fraction form
    9,789.10/13,505.67 = 6,254.38/x
  3. Step 3: Cross multiply
    9,789.10x = 13,505.67 × 6,254.38
  4. Step 4: Simplify right side
    9,789.10x = 84,469,592.33
  5. Step 5: Solve for x
    x = 84,469,592.33/9,789.10
  6. Step 6: Final answer
    x = 8,628.94

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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.