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Finding the Fourth Proportional to 8,503.74, 11,735.16 and 4,726.79

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Solution

The fourth proportional to 8,503.74, 11,735.16 and 4,726.79 is: 6,522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.74 : 11,735.16 = 4,726.79 : x
  2. Step 2: Convert to fraction form
    8,503.74/11,735.16 = 4,726.79/x
  3. Step 3: Cross multiply
    8,503.74x = 11,735.16 × 4,726.79
  4. Step 4: Simplify right side
    8,503.74x = 55,469,642.64
  5. Step 5: Solve for x
    x = 55,469,642.64/8,503.74
  6. Step 6: Final answer
    x = 6,522.97

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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.