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Finding the Fourth Proportional to 8,817.66, 13,224.06 and 6,331.77

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Solution

The fourth proportional to 8,817.66, 13,224.06 and 6,331.77 is: 9,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.66 : 13,224.06 = 6,331.77 : x
  2. Step 2: Convert to fraction form
    8,817.66/13,224.06 = 6,331.77/x
  3. Step 3: Cross multiply
    8,817.66x = 13,224.06 × 6,331.77
  4. Step 4: Simplify right side
    8,817.66x = 83,731,706.39
  5. Step 5: Solve for x
    x = 83,731,706.39/8,817.66
  6. Step 6: Final answer
    x = 9,495.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.