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Finding the Fourth Proportional to 8,496.90, 11,720.97 and 5,347.62

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Solution

The fourth proportional to 8,496.90, 11,720.97 and 5,347.62 is: 7,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496.90 : 11,720.97 = 5,347.62 : x
  2. Step 2: Convert to fraction form
    8,496.90/11,720.97 = 5,347.62/x
  3. Step 3: Cross multiply
    8,496.90x = 11,720.97 × 5,347.62
  4. Step 4: Simplify right side
    8,496.90x = 62,679,293.59
  5. Step 5: Solve for x
    x = 62,679,293.59/8,496.90
  6. Step 6: Final answer
    x = 7,376.72

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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.