Home / 8,631.42-12,944.61-4,932.96

Finding the Fourth Proportional to 8,631.42, 12,944.61 and 4,932.96

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Solution

The fourth proportional to 8,631.42, 12,944.61 and 4,932.96 is: 7,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.42 : 12,944.61 = 4,932.96 : x
  2. Step 2: Convert to fraction form
    8,631.42/12,944.61 = 4,932.96/x
  3. Step 3: Cross multiply
    8,631.42x = 12,944.61 × 4,932.96
  4. Step 4: Simplify right side
    8,631.42x = 63,855,243.35
  5. Step 5: Solve for x
    x = 63,855,243.35/8,631.42
  6. Step 6: Final answer
    x = 7,398.00

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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.