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Finding the Fourth Proportional to 8,363.73, 11,537.87 and 7,036.95

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Solution

The fourth proportional to 8,363.73, 11,537.87 and 7,036.95 is: 9,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.73 : 11,537.87 = 7,036.95 : x
  2. Step 2: Convert to fraction form
    8,363.73/11,537.87 = 7,036.95/x
  3. Step 3: Cross multiply
    8,363.73x = 11,537.87 × 7,036.95
  4. Step 4: Simplify right side
    8,363.73x = 81,191,379.11
  5. Step 5: Solve for x
    x = 81,191,379.11/8,363.73
  6. Step 6: Final answer
    x = 9,707.56

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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.