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Finding the Fourth Proportional to 8,523.63, 12,761.82 and 6,437.34

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Solution

The fourth proportional to 8,523.63, 12,761.82 and 6,437.34 is: 9,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.63 : 12,761.82 = 6,437.34 : x
  2. Step 2: Convert to fraction form
    8,523.63/12,761.82 = 6,437.34/x
  3. Step 3: Cross multiply
    8,523.63x = 12,761.82 × 6,437.34
  4. Step 4: Simplify right side
    8,523.63x = 82,152,174.36
  5. Step 5: Solve for x
    x = 82,152,174.36/8,523.63
  6. Step 6: Final answer
    x = 9,638.17

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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.