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Finding the Fourth Proportional to 8,371.86, 11,553.31 and 4,595.38

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Solution

The fourth proportional to 8,371.86, 11,553.31 and 4,595.38 is: 6,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.86 : 11,553.31 = 4,595.38 : x
  2. Step 2: Convert to fraction form
    8,371.86/11,553.31 = 4,595.38/x
  3. Step 3: Cross multiply
    8,371.86x = 11,553.31 × 4,595.38
  4. Step 4: Simplify right side
    8,371.86x = 53,091,800.72
  5. Step 5: Solve for x
    x = 53,091,800.72/8,371.86
  6. Step 6: Final answer
    x = 6,341.70

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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.