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Finding the Fourth Proportional to 11,000.66, 15,179.55 and 7,024.10

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Solution

The fourth proportional to 11,000.66, 15,179.55 and 7,024.10 is: 9,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.66 : 15,179.55 = 7,024.10 : x
  2. Step 2: Convert to fraction form
    11,000.66/15,179.55 = 7,024.10/x
  3. Step 3: Cross multiply
    11,000.66x = 15,179.55 × 7,024.10
  4. Step 4: Simplify right side
    11,000.66x = 106,622,677.16
  5. Step 5: Solve for x
    x = 106,622,677.16/11,000.66
  6. Step 6: Final answer
    x = 9,692.39

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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.