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Finding the Fourth Proportional to 8,696.32, 12,000.99 and 5,110.32

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Solution

The fourth proportional to 8,696.32, 12,000.99 and 5,110.32 is: 7,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.32 : 12,000.99 = 5,110.32 : x
  2. Step 2: Convert to fraction form
    8,696.32/12,000.99 = 5,110.32/x
  3. Step 3: Cross multiply
    8,696.32x = 12,000.99 × 5,110.32
  4. Step 4: Simplify right side
    8,696.32x = 61,328,899.22
  5. Step 5: Solve for x
    x = 61,328,899.22/8,696.32
  6. Step 6: Final answer
    x = 7,052.28

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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.