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Finding the Fourth Proportional to 8,355.87, 11,534.54 and 6,133.64

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Solution

The fourth proportional to 8,355.87, 11,534.54 and 6,133.64 is: 8,466.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.87 : 11,534.54 = 6,133.64 : x
  2. Step 2: Convert to fraction form
    8,355.87/11,534.54 = 6,133.64/x
  3. Step 3: Cross multiply
    8,355.87x = 11,534.54 × 6,133.64
  4. Step 4: Simplify right side
    8,355.87x = 70,748,627.58
  5. Step 5: Solve for x
    x = 70,748,627.58/8,355.87
  6. Step 6: Final answer
    x = 8,466.94

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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.