Home / 11,425.38-15,769.08-6,709.92

Finding the Fourth Proportional to 11,425.38, 15,769.08 and 6,709.92

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Solution

The fourth proportional to 11,425.38, 15,769.08 and 6,709.92 is: 9,260.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.38 : 15,769.08 = 6,709.92 : x
  2. Step 2: Convert to fraction form
    11,425.38/15,769.08 = 6,709.92/x
  3. Step 3: Cross multiply
    11,425.38x = 15,769.08 × 6,709.92
  4. Step 4: Simplify right side
    11,425.38x = 105,809,265.27
  5. Step 5: Solve for x
    x = 105,809,265.27/11,425.38
  6. Step 6: Final answer
    x = 9,260.90

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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.