Home / 11,402.69-15,735.55-6,366.99

Finding the Fourth Proportional to 11,402.69, 15,735.55 and 6,366.99

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Solution

The fourth proportional to 11,402.69, 15,735.55 and 6,366.99 is: 8,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.69 : 15,735.55 = 6,366.99 : x
  2. Step 2: Convert to fraction form
    11,402.69/15,735.55 = 6,366.99/x
  3. Step 3: Cross multiply
    11,402.69x = 15,735.55 × 6,366.99
  4. Step 4: Simplify right side
    11,402.69x = 100,188,089.49
  5. Step 5: Solve for x
    x = 100,188,089.49/11,402.69
  6. Step 6: Final answer
    x = 8,786.36

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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.